22101011001012 has 48 divisors (see below), whose sum is σ = 52339576873472. Its totient is φ = 7256928555360.

The previous prime is 22101011000969. The next prime is 22101011001073. The reversal of 22101011001012 is 21010011010122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 57673713 + ... + 58055655.

Almost surely, 2^{22101011001012} is an apocalyptic number.

It is an amenable number.

22101011001012 is an abundant number, since it is smaller than the sum of its proper divisors (30238565872460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22101011001012 is a wasteful number, since it uses less digits than its factorization.

22101011001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453988 (or 453986 counting only the distinct ones).

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

Adding to 22101011001012 its reverse (21010011010122), we get a palindrome (43111022011134).

The spelling of 22101011001012 in words is "twenty-two trillion, one hundred one billion, eleven million, one thousand, twelve".