| Base | Representation |
|---|---|
| bin | 11011110000111100000000… |
| … | …010110100010100010100100 |
| 3 | 121000100121211021001222010200 |
| 4 | 123300330000112202202210 |
| 5 | 112001123213100214340 |
| 6 | 1111412354450350500 |
| 7 | 34502113053453522 |
| oct | 3360740026424244 |
| 9 | 530317737058120 |
| 10 | 122110221101220 |
| 11 | 359a972144a790 |
| 12 | 11841941b8b430 |
| 13 | 5319c37c22961 |
| 14 | 2222248219312 |
| 15 | e1b578d52330 |
| hex | 6f0f005a28a4 |
122110221101220 has 144 divisors (see below), whose sum is σ = 405988865755200. Its totient is φ = 29462181638400.
The previous prime is 122110221101147. The next prime is 122110221101227. The reversal of 122110221101220 is 22101122011221.
122110221101220 is a `hidden beast` number, since 1 + 2 + 211 + 0 + 221 + 10 + 1 + 220 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 122110221101193 and 122110221101202.
It is not an unprimeable number, because it can be changed into a prime (122110221101227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145723995 + ... + 146559554.
It is an arithmetic number, because the mean of its divisors is an integer number (2819367123300).
Almost surely, 2122110221101220 is an apocalyptic number.
122110221101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122110221101220 is an abundant number, since it is smaller than the sum of its proper divisors (283878644653980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122110221101220 is a wasteful number, since it uses less digits than its factorization.
122110221101220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 292283786 (or 292283781 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 122110221101220 its reverse (22101122011221), we get a palindrome (144211343112441).
It can be divided in two parts, 1221102 and 21101220, that added together give a palindrome (22322322).
The spelling of 122110221101220 in words is "one hundred twenty-two trillion, one hundred ten billion, two hundred twenty-one million, one hundred one thousand, two hundred twenty".
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