100122231021 has 8 divisors (see below), whose sum is σ = 133545890400. Its totient is φ = 66723362832.

The previous prime is 100122230993. The next prime is 100122231023. The reversal of 100122231021 is 120132221001.

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

It is a de Polignac number, because none of the positive numbers 2^k-100122231021 is a prime.

It is a super-2 number, since 2×100122231021² (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 (100122231023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6188371 + ... + 6204528.

It is an arithmetic number, because the mean of its divisors is an integer number (16693236300).

Almost surely, 2^100122231021 is an apocalyptic number.

It is an amenable number.

100122231021 is a deficient number, since it is larger than the sum of its proper divisors (33423659379).

100122231021 is a wasteful number, since it uses less digits than its factorization.

100122231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12395595.

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

Adding to 100122231021 its reverse (120132221001), we get a palindrome (220254452022).

The spelling of 100122231021 in words is "one hundred billion, one hundred twenty-two million, two hundred thirty-one thousand, twenty-one".