10102121199 has 32 divisors (see below), whose sum is σ = 15219283200. Its totient is φ = 6621769440.

The previous prime is 10102121173. The next prime is 10102121269. The reversal of 10102121199 is 99112120101.

It is not a de Polignac number, because 10102121199 - 2⁵ = 10102121167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102121399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372432 + ... + 398634.

It is an arithmetic number, because the mean of its divisors is an integer number (475602600).

Almost surely, 2^10102121199 is an apocalyptic number.

10102121199 is a deficient number, since it is larger than the sum of its proper divisors (5117162001).

10102121199 is a wasteful number, since it uses less digits than its factorization.

10102121199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26452 (or 26446 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The spelling of 10102121199 in words is "ten billion, one hundred two million, one hundred twenty-one thousand, one hundred ninety-nine".