1200022112110 has 16 divisors (see below), whose sum is σ = 2189629389456. Its totient is φ = 473433380928.

The previous prime is 1200022112083. The next prime is 1200022112213. The reversal of 1200022112110 is 112112200021.

It is a congruent number.

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, 821932224 + ... + 821933683.

It is an arithmetic number, because the mean of its divisors is an integer number (136851836841).

Almost surely, 2^{1200022112110} is an apocalyptic number.

1200022112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200022112110 is a deficient number, since it is larger than the sum of its proper divisors (989607277346).

1200022112110 is a wasteful number, since it uses less digits than its factorization.

1200022112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643865987.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200022112110 its reverse (112112200021), we get a palindrome (1312134312131).

The spelling of 1200022112110 in words is "one trillion, two hundred billion, twenty-two million, one hundred twelve thousand, one hundred ten".