100222101021 has 64 divisors (see below), whose sum is σ = 158988517376. Its totient is φ = 54965433600.

The previous prime is 100222101011. The next prime is 100222101041. The reversal of 100222101021 is 120101222001.

It is not a de Polignac number, because 100222101021 - 2⁷ = 100222100893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100222100988 and 100222101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222101011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21686091 + ... + 21690711.

It is an arithmetic number, because the mean of its divisors is an integer number (2484195584).

Almost surely, 2^100222101021 is an apocalyptic number.

It is an amenable number.

100222101021 is a deficient number, since it is larger than the sum of its proper divisors (58766416355).

100222101021 is a wasteful number, since it uses less digits than its factorization.

100222101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100222101021 its reverse (120101222001), we get a palindrome (220323323022).

The spelling of 100222101021 in words is "one hundred billion, two hundred twenty-two million, one hundred one thousand, twenty-one".