100120021022 has 16 divisors (see below), whose sum is σ = 177552747360. Its totient is φ = 41428974048.

The previous prime is 100120021021. The next prime is 100120021087. The reversal of 100120021022 is 220120021001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100120020994 and 100120021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120021021) 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, 123300113 + ... + 123300924.

It is an arithmetic number, because the mean of its divisors is an integer number (11097046710).

Almost surely, 2^100120021022 is an apocalyptic number.

100120021022 is a deficient number, since it is larger than the sum of its proper divisors (77432726338).

100120021022 is a wasteful number, since it uses less digits than its factorization.

100120021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246601075.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100120021022 its reverse (220120021001), we get a palindrome (320240042023).

The spelling of 100120021022 in words is "one hundred billion, one hundred twenty million, twenty-one thousand, twenty-two".