100021111022131 has 8 divisors (see below), whose sum is σ = 108015084545760. Its totient is φ = 92070000628032.

The previous prime is 100021111022113. The next prime is 100021111022263. The reversal of 100021111022131 is 131220111120001.

It is a happy number.

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 100021111022131 - 2⁴⁵ = 64836738933299 is a prime.

It is a super-2 number, since 2×100021111022131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100021111922131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10715777530 + ... + 10715786863.

It is an arithmetic number, because the mean of its divisors is an integer number (13501885568220).

Almost surely, 2^{100021111022131} is an apocalyptic number.

100021111022131 is a deficient number, since it is larger than the sum of its proper divisors (7993973523629).

100021111022131 is a wasteful number, since it uses less digits than its factorization.

100021111022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21431564765.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 100021111022131 its reverse (131220111120001), we get a palindrome (231241222142132).

The spelling of 100021111022131 in words is "one hundred trillion, twenty-one billion, one hundred eleven million, twenty-two thousand, one hundred thirty-one".