2112531198 has 16 divisors (see below), whose sum is σ = 4226476800. Its totient is φ = 703941336.

The previous prime is 2112531181. The next prime is 2112531203. The reversal of 2112531198 is 8911352112.

It is a super-3 number, since 3×2112531198³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38998 + ... + 75801.

It is an arithmetic number, because the mean of its divisors is an integer number (264154800).

Almost surely, 2^2112531198 is an apocalyptic number.

2112531198 is an abundant number, since it is smaller than the sum of its proper divisors (2113945602).

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

2112531198 is a wasteful number, since it uses less digits than its factorization.

2112531198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117871.

The product of its digits is 4320, while the sum is 33.

The square root of 2112531198 is about 45962.2801653704. The cubic root of 2112531198 is about 1283.1212883743.

The spelling of 2112531198 in words is "two billion, one hundred twelve million, five hundred thirty-one thousand, one hundred ninety-eight".