12210111202110 has 64 divisors (see below), whose sum is σ = 30916228504320. Its totient is φ = 3077696494080.

The previous prime is 12210111202109. The next prime is 12210111202153. The reversal of 12210111202110 is 1120211101221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12210111202110.

It is a congruent number.

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, 23924971 + ... + 24429990.

It is an arithmetic number, because the mean of its divisors is an integer number (483066070380).

Almost surely, 2^{12210111202110} is an apocalyptic number.

12210111202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210111202110 is an abundant number, since it is smaller than the sum of its proper divisors (18706117302210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12210111202110 is a wasteful number, since it uses less digits than its factorization.

12210111202110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48355433.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12210111202110 its reverse (1120211101221), we get a palindrome (13330322303331).

The spelling of 12210111202110 in words is "twelve trillion, two hundred ten billion, one hundred eleven million, two hundred two thousand, one hundred ten".