21122210102013 has 24 divisors (see below), whose sum is σ = 32218906898880. Its totient is φ = 13297448194560.

The previous prime is 21122210101987. The next prime is 21122210102087. The reversal of 21122210102013 is 31020101222112.

It is not a de Polignac number, because 21122210102013 - 2⁸ = 21122210101757 is a prime.

It is a super-2 number, since 2×21122210102013² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122210102113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198534756 + ... + 198641117.

It is an arithmetic number, because the mean of its divisors is an integer number (1342454454120).

Almost surely, 2^{21122210102013} is an apocalyptic number.

It is an amenable number.

21122210102013 is a deficient number, since it is larger than the sum of its proper divisors (11096696796867).

21122210102013 is a wasteful number, since it uses less digits than its factorization.

21122210102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397176209 (or 397176206 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 21122210102013 its reverse (31020101222112), we get a palindrome (52142311324125).

The spelling of 21122210102013 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred ten million, one hundred two thousand, thirteen".