21112000000022 has 8 divisors (see below), whose sum is σ = 33334736842200. Its totient is φ = 10000421052624.

The previous prime is 21112000000019. The next prime is 21112000000027. The reversal of 21112000000022 is 22000000021112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112000000027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277789473647 + ... + 277789473722.

It is an arithmetic number, because the mean of its divisors is an integer number (4166842105275).

Almost surely, 2^{21112000000022} is an apocalyptic number.

21112000000022 is a deficient number, since it is larger than the sum of its proper divisors (12222736842178).

21112000000022 is a wasteful number, since it uses less digits than its factorization.

21112000000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555578947390.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 21112000000022 its reverse (22000000021112), we get a palindrome (43112000021134).

The spelling of 21112000000022 in words is "twenty-one trillion, one hundred twelve billion, twenty-two", and thus it is an aban number.