211210202202112 has 120 divisors (see below), whose sum is σ = 423344439221760. Its totient is φ = 105371123712000.

The previous prime is 211210202202067. The next prime is 211210202202149. The reversal of 211210202202112 is 211202202012112.

It is a self number, because there is not a number n which added to its sum of digits gives 211210202202112.

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, 15122080953 + ... + 15122094919.

It is an arithmetic number, because the mean of its divisors is an integer number (3527870326848).

Almost surely, 2^{211210202202112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211210202202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211672219610880).

211210202202112 is an abundant number, since it is smaller than the sum of its proper divisors (212134237019648).

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

211210202202112 is an equidigital number, since it uses as much as digits as its factorization.

211210202202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15975 (or 15949 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211210202202112 its reverse (211202202012112), we get a palindrome (422412404214224).

The spelling of 211210202202112 in words is "two hundred eleven trillion, two hundred ten billion, two hundred two million, two hundred two thousand, one hundred twelve".