202102212112 has 20 divisors (see below), whose sum is σ = 391797230416. Its totient is φ = 100993249440.

The previous prime is 202102212043. The next prime is 202102212133. The reversal of 202102212112 is 211212201202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3587214 + ... + 3643117.

Almost surely, 2^202102212112 is an apocalyptic number.

It is an amenable number.

202102212112 is a deficient number, since it is larger than the sum of its proper divisors (189695018304).

202102212112 is a wasteful number, since it uses less digits than its factorization.

202102212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7232086 (or 7232080 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202102212112 its reverse (211212201202), we get a palindrome (413314413314).

It can be divided in two parts, 20210 and 2212112, that added together give a palindrome (2232322).

The spelling of 202102212112 in words is "two hundred two billion, one hundred two million, two hundred twelve thousand, one hundred twelve".