91212024102131 has 8 divisors (see below), whose sum is σ = 91793460326304. Its totient is φ = 90630593801280.

The previous prime is 91212024102107. The next prime is 91212024102197. The reversal of 91212024102131 is 13120142021219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91212024102131 is a prime.

It is a super-2 number, since 2×91212024102131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91212024102094 and 91212024102103.

It is not an unprimeable number, because it can be changed into a prime (91212024102631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31789706 + ... + 34539968.

It is an arithmetic number, because the mean of its divisors is an integer number (11474182540788).

Almost surely, 2^{91212024102131} is an apocalyptic number.

91212024102131 is a deficient number, since it is larger than the sum of its proper divisors (581436224173).

91212024102131 is a wasteful number, since it uses less digits than its factorization.

91212024102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961661.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 91212024102131 in words is "ninety-one trillion, two hundred twelve billion, twenty-four million, one hundred two thousand, one hundred thirty-one".