202101112 has 8 divisors (see below), whose sum is σ = 378939600. Its totient is φ = 101050552.

The previous prime is 202101091. The next prime is 202101127. The reversal of 202101112 is 211101202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12631312 + ... + 12631327.

It is an arithmetic number, because the mean of its divisors is an integer number (47367450).

Almost surely, 2^202101112 is an apocalyptic number.

It is an amenable number.

202101112 is a deficient number, since it is larger than the sum of its proper divisors (176838488).

202101112 is a wasteful number, since it uses less digits than its factorization.

202101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25262645 (or 25262641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 202101112 is about 14216.2270662789. The cubic root of 202101112 is about 586.8443140275.

Adding to 202101112 its reverse (211101202), we get a palindrome (413202314).

The spelling of 202101112 in words is "two hundred two million, one hundred one thousand, one hundred twelve".