101311233001021 has 8 divisors (see below), whose sum is σ = 102644976320000. Its totient is φ = 99978772748400.

The previous prime is 101311233001001. The next prime is 101311233001037. The reversal of 101311233001021 is 120100332113101.

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 101311233001021 - 2²³ = 101311224612413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101311233001021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101311233001001) 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, 320607630 + ... + 320923471.

It is an arithmetic number, because the mean of its divisors is an integer number (12830622040000).

Almost surely, 2^{101311233001021} is an apocalyptic number.

It is an amenable number.

101311233001021 is a deficient number, since it is larger than the sum of its proper divisors (1333743318979).

101311233001021 is an equidigital number, since it uses as much as digits as its factorization.

101311233001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641533179.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 101311233001021 its reverse (120100332113101), we get a palindrome (221411565114122).

The spelling of 101311233001021 in words is "one hundred one trillion, three hundred eleven billion, two hundred thirty-three million, one thousand, twenty-one".