100021121322 has 16 divisors (see below), whose sum is σ = 200182443552. Its totient is φ = 33317006960.

The previous prime is 100021121311. The next prime is 100021121329. The reversal of 100021121322 is 223121120001.

It is not an unprimeable number, because it can be changed into a prime (100021121329) 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, 5832429 + ... + 5849552.

It is an arithmetic number, because the mean of its divisors is an integer number (12511402722).

Almost surely, 2^100021121322 is an apocalyptic number.

100021121322 is an abundant number, since it is smaller than the sum of its proper divisors (100161322230).

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

100021121322 is a wasteful number, since it uses less digits than its factorization.

100021121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683413.

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

Adding to 100021121322 its reverse (223121120001), we get a palindrome (323142241323).

The spelling of 100021121322 in words is "one hundred billion, twenty-one million, one hundred twenty-one thousand, three hundred twenty-two".