22112211101010 has 32 divisors (see below), whose sum is σ = 53124187070592. Its totient is φ = 5890491801600.

The previous prime is 22112211101009. The next prime is 22112211101027. The reversal of 22112211101010 is 1010111221122.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 381084591 + ... + 381142610.

It is an arithmetic number, because the mean of its divisors is an integer number (1660130845956).

Almost surely, 2^{22112211101010} is an apocalyptic number.

22112211101010 is an abundant number, since it is smaller than the sum of its proper divisors (31011975969582).

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

22112211101010 is a wasteful number, since it uses less digits than its factorization.

22112211101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762228178.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22112211101010 its reverse (1010111221122), we get a palindrome (23122322322132).

The spelling of 22112211101010 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, one hundred one thousand, ten".