9902423130111 has 6 divisors (see below), whose sum is σ = 14303500076840. Its totient is φ = 6601615420068.

The previous prime is 9902423130109. The next prime is 9902423130143. The reversal of 9902423130111 is 1110313242099.

It is a happy number.

9902423130111 is a `hidden beast` number, since 9 + 90 + 2 + 423 + 1 + 30 + 111 = 666.

It is not a de Polignac number, because 9902423130111 - 2¹ = 9902423130109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9902423130101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550134618331 + ... + 550134618348.

Almost surely, 2^{9902423130111} is an apocalyptic number.

9902423130111 is a deficient number, since it is larger than the sum of its proper divisors (4401076946729).

9902423130111 is a wasteful number, since it uses less digits than its factorization.

9902423130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100269236685 (or 1100269236682 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 9902423130111 in words is "nine trillion, nine hundred two billion, four hundred twenty-three million, one hundred thirty thousand, one hundred eleven".