2112201988 has 48 divisors (see below), whose sum is σ = 4125219840. Its totient is φ = 939715200.

The previous prime is 2112201977. The next prime is 2112202007. The reversal of 2112201988 is 8891022112.

It is a super-2 number, since 2×2112201988² = 8922794476222304288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431193 + ... + 436063.

It is an arithmetic number, because the mean of its divisors is an integer number (85942080).

Almost surely, 2^2112201988 is an apocalyptic number.

It is an amenable number.

2112201988 is a deficient number, since it is larger than the sum of its proper divisors (2013017852).

2112201988 is a wasteful number, since it uses less digits than its factorization.

2112201988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5188 (or 5186 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 2112201988 is about 45958.6987196113. The cubic root of 2112201988 is about 1283.0546324271.

The spelling of 2112201988 in words is "two billion, one hundred twelve million, two hundred one thousand, nine hundred eighty-eight".