22012012121010 has 16 divisors (see below), whose sum is σ = 52828829090496. Its totient is φ = 5869869898928.

The previous prime is 22012012120963. The next prime is 22012012121023. The reversal of 22012012121010 is 1012121021022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366866868654 + ... + 366866868713.

It is an arithmetic number, because the mean of its divisors is an integer number (3301801818156).

Almost surely, 2^{22012012121010} is an apocalyptic number.

22012012121010 is an abundant number, since it is smaller than the sum of its proper divisors (30816816969486).

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

22012012121010 is a wasteful number, since it uses less digits than its factorization.

22012012121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733733737377.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22012012121010 its reverse (1012121021022), we get a palindrome (23024133142032).

The spelling of 22012012121010 in words is "twenty-two trillion, twelve billion, twelve million, one hundred twenty-one thousand, ten".