212202120121110 has 96 divisors (see below), whose sum is σ = 632207146371840. Its totient is φ = 48375364532544.

The previous prime is 212202120121109. The next prime is 212202120121127. The reversal of 212202120121110 is 11121021202212.

212202120121110 is a `hidden beast` number, since 2 + 1 + 220 + 21 + 201 + 211 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 444126352 + ... + 444603891.

It is an arithmetic number, because the mean of its divisors is an integer number (6585491108040).

Almost surely, 2^{212202120121110} is an apocalyptic number.

212202120121110 is an abundant number, since it is smaller than the sum of its proper divisors (420005026250730).

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

212202120121110 is a wasteful number, since it uses less digits than its factorization.

212202120121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888730642 (or 888730639 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212202120121110 its reverse (11121021202212), we get a palindrome (223323141323322).

The spelling of 212202120121110 in words is "two hundred twelve trillion, two hundred two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred ten".