100221010101222 has 64 divisors (see below), whose sum is σ = 213494001177600. Its totient is φ = 31255490972160.

The previous prime is 100221010101221. The next prime is 100221010101253. The reversal of 100221010101222 is 222101010122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221010101221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10319904 + ... + 17519772.

It is an arithmetic number, because the mean of its divisors is an integer number (3335843768400).

Almost surely, 2^{100221010101222} is an apocalyptic number.

100221010101222 is an abundant number, since it is smaller than the sum of its proper divisors (113272991076378).

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

100221010101222 is a wasteful number, since it uses less digits than its factorization.

100221010101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200701.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100221010101222 its reverse (222101010122001), we get a palindrome (322322020223223).

The spelling of 100221010101222 in words is "one hundred trillion, two hundred twenty-one billion, ten million, one hundred one thousand, two hundred twenty-two".