92199128121 has 10 divisors (see below), whose sum is σ = 137729561882. Its totient is φ = 61466085360.

The previous prime is 92199128111. The next prime is 92199128141. The reversal of 92199128121 is 12182199129.

It can be written as a sum of positive squares in only one way, i.e., 89125534521 + 3073593600 = 298539^2 + 55440^2 .

It is not a de Polignac number, because 92199128121 - 2⁹ = 92199127609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92199128111) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 569130340 + ... + 569130501.

Almost surely, 2^92199128121 is an apocalyptic number.

It is an amenable number.

92199128121 is a deficient number, since it is larger than the sum of its proper divisors (45530433761).

92199128121 is a wasteful number, since it uses less digits than its factorization.

92199128121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138260853 (or 1138260844 counting only the distinct ones).

The product of its digits is 46656, while the sum is 45.

The spelling of 92199128121 in words is "ninety-two billion, one hundred ninety-nine million, one hundred twenty-eight thousand, one hundred twenty-one".