22101010011021 has 32 divisors (see below), whose sum is σ = 31313782604160. Its totient is φ = 13817381842944.

The previous prime is 22101010010983. The next prime is 22101010011049. The reversal of 22101010011021 is 12011001010122.

It is a de Polignac number, because none of the positive numbers 2^k-22101010011021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22101010010988 and 22101010011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101010011061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81198885 + ... + 81470613.

It is an arithmetic number, because the mean of its divisors is an integer number (978555706380).

Almost surely, 2^{22101010011021} is an apocalyptic number.

It is an amenable number.

22101010011021 is a deficient number, since it is larger than the sum of its proper divisors (9212772593139).

22101010011021 is a wasteful number, since it uses less digits than its factorization.

22101010011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277485.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22101010011021 its reverse (12011001010122), we get a palindrome (34112011021143).

The spelling of 22101010011021 in words is "twenty-two trillion, one hundred one billion, ten million, eleven thousand, twenty-one".