221000211012110 has 64 divisors (see below), whose sum is σ = 402679251763200. Its totient is φ = 87320080176000.

The previous prime is 221000211012067. The next prime is 221000211012127. The reversal of 221000211012110 is 11210112000122.

It is a super-2 number, since 2×221000211012110² (a number of 29 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 31 ways as a sum of consecutive naturals, for example, 1988805131 + ... + 1988916249.

It is an arithmetic number, because the mean of its divisors is an integer number (6291863308800).

Almost surely, 2^{221000211012110} is an apocalyptic number.

221000211012110 is a deficient number, since it is larger than the sum of its proper divisors (181679040751090).

221000211012110 is a wasteful number, since it uses less digits than its factorization.

221000211012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115817.

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

Adding to 221000211012110 its reverse (11210112000122), we get a palindrome (232210323012232).

The spelling of 221000211012110 in words is "two hundred twenty-one trillion, two hundred eleven million, twelve thousand, one hundred ten".