220111111111210 has 16 divisors (see below), whose sum is σ = 432218181818592. Its totient is φ = 80040404040400.

The previous prime is 220111111111159. The next prime is 220111111111303. The reversal of 220111111111210 is 12111111111022.

It is a super-2 number, since 2×220111111111210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000505050396 + ... + 1000505050615.

It is an arithmetic number, because the mean of its divisors is an integer number (27013636363662).

Almost surely, 2^{220111111111210} is an apocalyptic number.

220111111111210 is a deficient number, since it is larger than the sum of its proper divisors (212107070707382).

220111111111210 is a wasteful number, since it uses less digits than its factorization.

220111111111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001010101029.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 220111111111210 its reverse (12111111111022), we get a palindrome (232222222222232).

The spelling of 220111111111210 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred eleven million, one hundred eleven thousand, two hundred ten".