91213242001 has 8 divisors (see below), whose sum is σ = 104278212864. Its totient is φ = 78156898080.

The previous prime is 91213241983. The next prime is 91213242011. The reversal of 91213242001 is 10024231219.

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

It is a cyclic number.

It is not a de Polignac number, because 91213242001 - 2¹³ = 91213233809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91213242011) 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, 2134060 + ... + 2176381.

It is an arithmetic number, because the mean of its divisors is an integer number (13034776608).

Almost surely, 2^91213242001 is an apocalyptic number.

It is an amenable number.

91213242001 is a deficient number, since it is larger than the sum of its proper divisors (13064970863).

91213242001 is a wasteful number, since it uses less digits than its factorization.

91213242001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313471.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 91213242001 in words is "ninety-one billion, two hundred thirteen million, two hundred forty-two thousand, one".