9913142111 has 4 divisors (see below), whose sum is σ = 9917049000. Its totient is φ = 9909235224.

The previous prime is 9913142093. The next prime is 9913142143. The reversal of 9913142111 is 1112413199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1112413199 = 59 ⋅18854461.

It is a cyclic number.

It is not a de Polignac number, because 9913142111 - 2¹⁴ = 9913125727 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 (9913142711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1949636 + ... + 1954713.

It is an arithmetic number, because the mean of its divisors is an integer number (2479262250).

Almost surely, 2^9913142111 is an apocalyptic number.

9913142111 is a deficient number, since it is larger than the sum of its proper divisors (3906889).

9913142111 is a wasteful number, since it uses less digits than its factorization.

9913142111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906888.

The product of its digits is 1944, while the sum is 32.

The square root of 9913142111 is about 99564.7634005123. The cubic root of 9913142111 is about 2148.1788877547.

The spelling of 9913142111 in words is "nine billion, nine hundred thirteen million, one hundred forty-two thousand, one hundred eleven".