Base | Representation |
---|---|
bin | 11011110010011001000001… |
… | …101110010100100000000101 |
3 | 121000201011122010210112011122 |
4 | 123302121001232110200011 |
5 | 112004242242114231041 |
6 | 1111530313523043325 |
7 | 34512250154116553 |
oct | 3362310156244005 |
9 | 530634563715148 |
10 | 122210102102021 |
11 | 35a38016697a3a |
12 | 11859177b10545 |
13 | 5326494b98b6b |
14 | 2227001540bd3 |
15 | e1de728d2c4b |
hex | 6f2641b94805 |
122210102102021 has 32 divisors (see below), whose sum is σ = 132409793318400. Its totient is φ = 112363822771200.
The previous prime is 122210102102009. The next prime is 122210102102063. The reversal of 122210102102021 is 120201201012221.
It is not a de Polignac number, because 122210102102021 - 210 = 122210102100997 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122210102102071) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1806445046 + ... + 1806512696.
It is an arithmetic number, because the mean of its divisors is an integer number (4137806041200).
Almost surely, 2122210102102021 is an apocalyptic number.
It is an amenable number.
122210102102021 is a deficient number, since it is larger than the sum of its proper divisors (10199691216379).
122210102102021 is a wasteful number, since it uses less digits than its factorization.
122210102102021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76349.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 122210102102021 its reverse (120201201012221), we get a palindrome (242411303114242).
The spelling of 122210102102021 in words is "one hundred twenty-two trillion, two hundred ten billion, one hundred two million, one hundred two thousand, twenty-one".
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