100021122333131 has 4 divisors (see below), whose sum is σ = 100024158922200. Its totient is φ = 100018085744064.

The previous prime is 100021122333073. The next prime is 100021122333161. The reversal of 100021122333131 is 131333221120001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021122333131 is a prime.

It is a super-2 number, since 2×100021122333131² (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 = 100021122333097 and 100021122333106.

It is not an unprimeable number, because it can be changed into a prime (100021122333161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518245126 + ... + 1518311003.

It is an arithmetic number, because the mean of its divisors is an integer number (25006039730550).

Almost surely, 2^{100021122333131} is an apocalyptic number.

100021122333131 is a deficient number, since it is larger than the sum of its proper divisors (3036589069).

100021122333131 is an equidigital number, since it uses as much as digits as its factorization.

100021122333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036589068.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 100021122333131 its reverse (131333221120001), we get a palindrome (231354343453132).

The spelling of 100021122333131 in words is "one hundred trillion, twenty-one billion, one hundred twenty-two million, three hundred thirty-three thousand, one hundred thirty-one".