Base | Representation |
---|---|
bin | 111000111010100000… |
… | …0010100011001010101 |
3 | 102200110212110002112021 |
4 | 1301311000110121111 |
5 | 4000302324231401 |
6 | 132051551453141 |
7 | 11554530504121 |
oct | 1616500243125 |
9 | 380425402467 |
10 | 122222102101 |
11 | 4791a210340 |
12 | 1b82bb271b1 |
13 | b6aa686b98 |
14 | 5cb64d8581 |
15 | 32a50db2a1 |
hex | 1c75014655 |
122222102101 has 16 divisors (see below), whose sum is σ = 136177715520. Its totient is φ = 108765141120.
The previous prime is 122222102069. The next prime is 122222102111. The reversal of 122222102101 is 101201222221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 122222102101 - 25 = 122222102069 is a prime.
It is a super-2 number, since 2×1222221021012 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122222102111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514560 + ... + 713593.
It is an arithmetic number, because the mean of its divisors is an integer number (8511107220).
Almost surely, 2122222102101 is an apocalyptic number.
122222102101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
122222102101 is a deficient number, since it is larger than the sum of its proper divisors (13955613419).
122222102101 is a wasteful number, since it uses less digits than its factorization.
122222102101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1228356.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122222102101 its reverse (101201222221), we get a palindrome (223423324322).
The spelling of 122222102101 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred two thousand, one hundred one".
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