202101012112 has 10 divisors (see below), whose sum is σ = 391570710998. Its totient is φ = 101050506048.

The previous prime is 202101012107. The next prime is 202101012131. The reversal of 202101012112 is 211210101202.

It can be written as a sum of positive squares in only one way, i.e., 119580406416 + 82520605696 = 345804^2 + 287264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202101012092 and 202101012101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315656613 + ... + 6315656644.

Almost surely, 2^202101012112 is an apocalyptic number.

It is an amenable number.

202101012112 is a deficient number, since it is larger than the sum of its proper divisors (189469698886).

202101012112 is a wasteful number, since it uses less digits than its factorization.

202101012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631313265 (or 12631313259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202101012112 its reverse (211210101202), we get a palindrome (413311113314).

The spelling of 202101012112 in words is "two hundred two billion, one hundred one million, twelve thousand, one hundred twelve".