Base | Representation |
---|---|
bin | 110010100001101111011101… |
… | …000001101000011000000001 |
3 | 1002010211010022001011122020200 |
4 | 302201233131001220120001 |
5 | 213111332122401320001 |
6 | 2104342532222155413 |
7 | 64543640030351601 |
oct | 6241573501503001 |
9 | 1063733261148220 |
10 | 222221021120001 |
11 | 6489645114aa12 |
12 | 20b0bb0a422b69 |
13 | 96cc477224097 |
14 | 3cc37aa582c01 |
15 | 1aa572aa97086 |
hex | ca1bdd068601 |
222221021120001 has 48 divisors (see below), whose sum is σ = 325172647512960. Its totient is φ = 146224219680000.
The previous prime is 222221021119949. The next prime is 222221021120009. The reversal of 222221021120001 is 100021120122222.
It is a happy number.
222221021120001 is a `hidden beast` number, since 2 + 222 + 210 + 211 + 20 + 0 + 0 + 1 = 666.
It is a de Polignac number, because none of the positive numbers 2k-222221021120001 is a prime.
It is a super-3 number, since 3×2222210211200013 (a number of 44 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (222221021120009) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4233642165 + ... + 4233694653.
It is an arithmetic number, because the mean of its divisors is an integer number (6774430156520).
Almost surely, 2222221021120001 is an apocalyptic number.
It is an amenable number.
222221021120001 is a deficient number, since it is larger than the sum of its proper divisors (102951626392959).
222221021120001 is a wasteful number, since it uses less digits than its factorization.
222221021120001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66998 (or 66995 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 222221021120001 its reverse (100021120122222), we get a palindrome (322242141242223).
The spelling of 222221021120001 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, twenty-one million, one hundred twenty thousand, one".
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