21112212010022 has 16 divisors (see below), whose sum is σ = 36232091638272. Its totient is φ = 9038158813320.

The previous prime is 21112212010013. The next prime is 21112212010067. The reversal of 21112212010022 is 22001021221112.

It is a super-2 number, since 2×21112212010022² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827657468 + ... + 827682975.

It is an arithmetic number, because the mean of its divisors is an integer number (2264505727392).

Almost surely, 2^{21112212010022} is an apocalyptic number.

21112212010022 is a deficient number, since it is larger than the sum of its proper divisors (15119879628250).

21112212010022 is a wasteful number, since it uses less digits than its factorization.

21112212010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655341363.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21112212010022 its reverse (22001021221112), we get a palindrome (43113233231134).

The spelling of 21112212010022 in words is "twenty-one trillion, one hundred twelve billion, two hundred twelve million, ten thousand, twenty-two".