100321321222 has 16 divisors (see below), whose sum is σ = 158417501760. Its totient is φ = 47516001192.

The previous prime is 100321321171. The next prime is 100321321223. The reversal of 100321321222 is 222123123001.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 100321321222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100321321223) 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, 284373 + ... + 530575.

It is an arithmetic number, because the mean of its divisors is an integer number (9901093860).

Almost surely, 2^100321321222 is an apocalyptic number.

100321321222 is a deficient number, since it is larger than the sum of its proper divisors (58096180538).

100321321222 is a wasteful number, since it uses less digits than its factorization.

100321321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256947.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100321321222 its reverse (222123123001), we get a palindrome (322444444223).

The spelling of 100321321222 in words is "one hundred billion, three hundred twenty-one million, three hundred twenty-one thousand, two hundred twenty-two".