202112112105 has 48 divisors (see below), whose sum is σ = 365854320000. Its totient is φ = 103023258624.

The previous prime is 202112112091. The next prime is 202112112179. The reversal of 202112112105 is 501211211202.

It is not a de Polignac number, because 202112112105 - 2²² = 202107917801 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1214542 + ... + 1370888.

It is an arithmetic number, because the mean of its divisors is an integer number (7621965000).

Almost surely, 2^202112112105 is an apocalyptic number.

It is an amenable number.

202112112105 is a deficient number, since it is larger than the sum of its proper divisors (163742207895).

202112112105 is a wasteful number, since it uses less digits than its factorization.

202112112105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157630 (or 157627 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 202112112105 its reverse (501211211202), we get a palindrome (703323323307).

The spelling of 202112112105 in words is "two hundred two billion, one hundred twelve million, one hundred twelve thousand, one hundred five".