100021220022 has 16 divisors (see below), whose sum is σ = 210570989760. Its totient is φ = 31585648392.

The previous prime is 100021220017. The next prime is 100021220053. The reversal of 100021220022 is 220022120001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438689448 + ... + 438689675.

It is an arithmetic number, because the mean of its divisors is an integer number (13160686860).

Almost surely, 2^100021220022 is an apocalyptic number.

100021220022 is an abundant number, since it is smaller than the sum of its proper divisors (110549769738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100021220022 is a wasteful number, since it uses less digits than its factorization.

100021220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877379147.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 100021220022 its reverse (220022120001), we get a palindrome (320043340023).

The spelling of 100021220022 in words is "one hundred billion, twenty-one million, two hundred twenty thousand, twenty-two".