212110011222 has 64 divisors (see below), whose sum is σ = 450879721920. Its totient is φ = 66395137536.

The previous prime is 212110011203. The next prime is 212110011341. The reversal of 212110011222 is 222110011212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24440748 + ... + 24449424.

It is an arithmetic number, because the mean of its divisors is an integer number (7044995655).

Almost surely, 2^212110011222 is an apocalyptic number.

212110011222 is an abundant number, since it is smaller than the sum of its proper divisors (238769710698).

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

212110011222 is a wasteful number, since it uses less digits than its factorization.

212110011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12545.

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

Adding to 212110011222 its reverse (222110011212), we get a palindrome (434220022434).

The spelling of 212110011222 in words is "two hundred twelve billion, one hundred ten million, eleven thousand, two hundred twenty-two".