100231240011521 has 8 divisors (see below), whose sum is σ = 105677567746080. Its totient is φ = 94802012208288.

The previous prime is 100231240011517. The next prime is 100231240011547. The reversal of 100231240011521 is 125110042132001.

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 100231240011521 - 2² = 100231240011517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100231240011571) 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, 4274970791 + ... + 4274994236.

It is an arithmetic number, because the mean of its divisors is an integer number (13209695968260).

Almost surely, 2^{100231240011521} is an apocalyptic number.

It is an amenable number.

100231240011521 is a deficient number, since it is larger than the sum of its proper divisors (5446327734559).

100231240011521 is an equidigital number, since it uses as much as digits as its factorization.

100231240011521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8549965663.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 100231240011521 its reverse (125110042132001), we get a palindrome (225341282143522).

The spelling of 100231240011521 in words is "one hundred trillion, two hundred thirty-one billion, two hundred forty million, eleven thousand, five hundred twenty-one".