221112101000022 has 32 divisors (see below), whose sum is σ = 445453863458400. Its totient is φ = 73165760978688.

The previous prime is 221112100999991. The next prime is 221112101000027. The reversal of 221112101000022 is 220000101211122.

It is a super-2 number, since 2×221112101000022² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221112100999965 and 221112101000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112101000027) by changing a digit.

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, 353631804 + ... + 354256512.

It is an arithmetic number, because the mean of its divisors is an integer number (13920433233075).

Almost surely, 2^{221112101000022} is an apocalyptic number.

221112101000022 is an abundant number, since it is smaller than the sum of its proper divisors (224341762458378).

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

221112101000022 is a wasteful number, since it uses less digits than its factorization.

221112101000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055440.

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

Adding to 221112101000022 its reverse (220000101211122), we get a palindrome (441112202211144).

The spelling of 221112101000022 in words is "two hundred twenty-one trillion, one hundred twelve billion, one hundred one million, twenty-two", and thus it is an aban number.