2101122008 has 8 divisors (see below), whose sum is σ = 3939603780. Its totient is φ = 1050561000.

The previous prime is 2101121959. The next prime is 2101122017. The reversal of 2101122008 is 8002211012.

It is a happy number.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 131320118 + ... + 131320133.

Almost surely, 2^2101122008 is an apocalyptic number.

It is an amenable number.

2101122008 is a deficient number, since it is larger than the sum of its proper divisors (1838481772).

2101122008 is a wasteful number, since it uses less digits than its factorization.

2101122008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262640257 (or 262640253 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 2101122008 is about 45837.9974257166. The cubic root of 2101122008 is about 1280.8071910591.

The spelling of 2101122008 in words is "two billion, one hundred one million, one hundred twenty-two thousand, eight".