100320021222 has 32 divisors (see below), whose sum is σ = 201167340000. Its totient is φ = 33352190208.

The previous prime is 100320021211. The next prime is 100320021271. The reversal of 100320021222 is 222120023001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7531104 + ... + 7544412.

It is an arithmetic number, because the mean of its divisors is an integer number (6286479375).

Almost surely, 2^100320021222 is an apocalyptic number.

100320021222 is an abundant number, since it is smaller than the sum of its proper divisors (100847318778).

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

100320021222 is a wasteful number, since it uses less digits than its factorization.

100320021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16520.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 100320021222 its reverse (222120023001), we get a palindrome (322440044223).

The spelling of 100320021222 in words is "one hundred billion, three hundred twenty million, twenty-one thousand, two hundred twenty-two".