111210212012210 has 16 divisors (see below), whose sum is σ = 203166118662336. Its totient is φ = 43820143240368.

The previous prime is 111210212012201. The next prime is 111210212012293. The reversal of 111210212012210 is 12210212012111.

It is a super-2 number, since 2×111210212012210² (a number of 29 digits) contains 22 as substring.

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, 82992694862 + ... + 82992696201.

It is an arithmetic number, because the mean of its divisors is an integer number (12697882416396).

Almost surely, 2^{111210212012210} is an apocalyptic number.

111210212012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111210212012210 is a deficient number, since it is larger than the sum of its proper divisors (91955906650126).

111210212012210 is a wasteful number, since it uses less digits than its factorization.

111210212012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165985391137.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111210212012210 its reverse (12210212012111), we get a palindrome (123420424024321).

Subtracting from 111210212012210 its reverse (12210212012111), we obtain a palindrome (99000000000099).

The spelling of 111210212012210 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twelve million, twelve thousand, two hundred ten".