100222020121 has 16 divisors (see below), whose sum is σ = 103774417920. Its totient is φ = 96690087360.

The previous prime is 100222020109. The next prime is 100222020127. The reversal of 100222020121 is 121020222001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100222020121 - 2⁵ = 100222020089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100222020127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14348796 + ... + 14355778.

It is an arithmetic number, because the mean of its divisors is an integer number (6485901120).

Almost surely, 2^100222020121 is an apocalyptic number.

It is an amenable number.

100222020121 is a deficient number, since it is larger than the sum of its proper divisors (3552397799).

100222020121 is an equidigital number, since it uses as much as digits as its factorization.

100222020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8376.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100222020121 its reverse (121020222001), we get a palindrome (221242242122).

The spelling of 100222020121 in words is "one hundred billion, two hundred twenty-two million, twenty thousand, one hundred twenty-one".