10120121199 has 24 divisors (see below), whose sum is σ = 15769879632. Its totient is φ = 6230065920.

The previous prime is 10120121189. The next prime is 10120121227. The reversal of 10120121199 is 99112102101.

It is not a de Polignac number, because 10120121199 - 2¹³ = 10120113007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120121159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 615897 + ... + 632114.

It is an arithmetic number, because the mean of its divisors is an integer number (657078318).

Almost surely, 2^10120121199 is an apocalyptic number.

10120121199 is a deficient number, since it is larger than the sum of its proper divisors (5649758433).

10120121199 is a wasteful number, since it uses less digits than its factorization.

10120121199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248087 (or 1248084 counting only the distinct ones).

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

The spelling of 10120121199 in words is "ten billion, one hundred twenty million, one hundred twenty-one thousand, one hundred ninety-nine".