1111122112210 has 64 divisors (see below), whose sum is σ = 2187016070400. Its totient is φ = 403086827520.

The previous prime is 1111122112183. The next prime is 1111122112231. The reversal of 1111122112210 is 122112211111.

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, 109174642 + ... + 109184818.

It is an arithmetic number, because the mean of its divisors is an integer number (34172126100).

Almost surely, 2^{1111122112210} is an apocalyptic number.

1111122112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111122112210 is a deficient number, since it is larger than the sum of its proper divisors (1075893958190).

1111122112210 is a wasteful number, since it uses less digits than its factorization.

1111122112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12451.

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

Adding to 1111122112210 its reverse (122112211111), we get a palindrome (1233234323321).

The spelling of 1111122112210 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred twelve thousand, two hundred ten".