22001012111010 has 32 divisors (see below), whose sum is σ = 53470814250240. Its totient is φ = 5792671542528.

The previous prime is 22001012110999. The next prime is 22001012111027. The reversal of 22001012111010 is 1011121010022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4641561367 + ... + 4641566106.

It is an arithmetic number, because the mean of its divisors is an integer number (1670962945320).

Almost surely, 2^{22001012111010} is an apocalyptic number.

22001012111010 is an abundant number, since it is smaller than the sum of its proper divisors (31469802139230).

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

22001012111010 is a wasteful number, since it uses less digits than its factorization.

22001012111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283127562.

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

Adding to 22001012111010 its reverse (1011121010022), we get a palindrome (23012133121032).

The spelling of 22001012111010 in words is "twenty-two trillion, one billion, twelve million, one hundred eleven thousand, ten".