111122211211010 has 16 divisors (see below), whose sum is σ = 200916930767616. Its totient is φ = 44249562131568.

The previous prime is 111122211210979. The next prime is 111122211211043. The reversal of 111122211211010 is 10112112221111.

It is a self number, because there is not a number n which added to its sum of digits gives 111122211211010.

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, 24915291764 + ... + 24915296223.

It is an arithmetic number, because the mean of its divisors is an integer number (12557308172976).

Almost surely, 2^{111122211211010} is an apocalyptic number.

111122211211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111122211211010 is a deficient number, since it is larger than the sum of its proper divisors (89794719556606).

111122211211010 is a wasteful number, since it uses less digits than its factorization.

111122211211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49830588217.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111122211211010 its reverse (10112112221111), we get a palindrome (121234323432121).

The spelling of 111122211211010 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred eleven million, two hundred eleven thousand, ten".