10111110999971 has 16 divisors (see below), whose sum is σ = 10466429870400. Its totient is φ = 9756238036608.

The previous prime is 10111110999967. The next prime is 10111111000021. The reversal of 10111110999971 is 17999901111101.

It is a cyclic number.

It is not a de Polignac number, because 10111110999971 - 2² = 10111110999967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111110999901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384981386 + ... + 385007648.

It is an arithmetic number, because the mean of its divisors is an integer number (654151866900).

Almost surely, 2^{10111110999971} is an apocalyptic number.

10111110999971 is a deficient number, since it is larger than the sum of its proper divisors (355318870429).

10111110999971 is a wasteful number, since it uses less digits than its factorization.

10111110999971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34238.

The product of its (nonzero) digits is 45927, while the sum is 50.

The spelling of 10111110999971 in words is "ten trillion, one hundred eleven billion, one hundred ten million, nine hundred ninety-nine thousand, nine hundred seventy-one".