100020000222 has 48 divisors (see below), whose sum is σ = 228177855360. Its totient is φ = 31576669776.

The previous prime is 100020000221. The next prime is 100020000247. The reversal of 100020000222 is 222000020001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100020000221) 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 23 ways as a sum of consecutive naturals, for example, 1283293 + ... + 1358999.

It is an arithmetic number, because the mean of its divisors is an integer number (4753705320).

Almost surely, 2^100020000222 is an apocalyptic number.

100020000222 is an abundant number, since it is smaller than the sum of its proper divisors (128157855138).

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

100020000222 is a wasteful number, since it uses less digits than its factorization.

100020000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79597 (or 79594 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 100020000222 its reverse (222000020001), we get a palindrome (322020020223).

The spelling of 100020000222 in words is "one hundred billion, twenty million, two hundred twenty-two", and thus it is an aban number.