22111211020010 has 128 divisors (see below), whose sum is σ = 48440542924800. Its totient is φ = 7250131361088.

The previous prime is 22111211020009. The next prime is 22111211020021. The reversal of 22111211020010 is 1002011211122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 533512349 + ... + 533553791.

It is an arithmetic number, because the mean of its divisors is an integer number (378441741600).

Almost surely, 2^{22111211020010} is an apocalyptic number.

22111211020010 is an abundant number, since it is smaller than the sum of its proper divisors (26329331904790).

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

22111211020010 is a wasteful number, since it uses less digits than its factorization.

22111211020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48257 (or 48243 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22111211020010 its reverse (1002011211122), we get a palindrome (23113222231132).

The spelling of 22111211020010 in words is "twenty-two trillion, one hundred eleven billion, two hundred eleven million, twenty thousand, ten".