210211220112 has 40 divisors (see below), whose sum is σ = 543101727360. Its totient is φ = 70063171200.

The previous prime is 210211220101. The next prime is 210211220117. The reversal of 210211220112 is 211022112012.

It is a junction number, because it is equal to n+sod(n) for n = 210211220091 and 210211220100.

It is not an unprimeable number, because it can be changed into a prime (210211220117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254089 + ... + 696407.

It is an arithmetic number, because the mean of its divisors is an integer number (13577543184).

Almost surely, 2^210211220112 is an apocalyptic number.

It is an amenable number.

210211220112 is an abundant number, since it is smaller than the sum of its proper divisors (332890507248).

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

210211220112 is a wasteful number, since it uses less digits than its factorization.

210211220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452231 (or 452225 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210211220112 its reverse (211022112012), we get a palindrome (421233332124).

The spelling of 210211220112 in words is "two hundred ten billion, two hundred eleven million, two hundred twenty thousand, one hundred twelve".