212110221110 has 64 divisors (see below), whose sum is σ = 407059836480. Its totient is φ = 79301160960.

The previous prime is 212110221047. The next prime is 212110221143. The reversal of 212110221110 is 11122011212.

It is a Curzon number.

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, 19050245 + ... + 19061375.

It is an arithmetic number, because the mean of its divisors is an integer number (6360309945).

Almost surely, 2^212110221110 is an apocalyptic number.

212110221110 is a deficient number, since it is larger than the sum of its proper divisors (194949615370).

212110221110 is a wasteful number, since it uses less digits than its factorization.

212110221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11921.

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

Adding to 212110221110 its reverse (11122011212), we get a palindrome (223232232322).

The spelling of 212110221110 in words is "two hundred twelve billion, one hundred ten million, two hundred twenty-one thousand, one hundred ten".