100122312021 has 8 divisors (see below), whose sum is σ = 137104427424. Its totient is φ = 64944202320.

The previous prime is 100122312013. The next prime is 100122312041. The reversal of 100122312021 is 120213221001.

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

It is not a de Polignac number, because 100122312021 - 2³ = 100122312013 is a prime.

It is a super-2 number, since 2×100122312021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122312041) 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, 451001295 + ... + 451001516.

It is an arithmetic number, because the mean of its divisors is an integer number (17138053428).

Almost surely, 2^100122312021 is an apocalyptic number.

It is an amenable number.

100122312021 is a deficient number, since it is larger than the sum of its proper divisors (36982115403).

100122312021 is an equidigital number, since it uses as much as digits as its factorization.

100122312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902002851.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 100122312021 its reverse (120213221001), we get a palindrome (220335533022).

The spelling of 100122312021 in words is "one hundred billion, one hundred twenty-two million, three hundred twelve thousand, twenty-one".