100221220022202 has 24 divisors (see below), whose sum is σ = 217150586033940. Its totient is φ = 33406364214720.

The previous prime is 100221220022179. The next prime is 100221220022221. The reversal of 100221220022202 is 202220022122001.

100221220022202 is a `hidden beast` number, since 1 + 0 + 0 + 221 + 220 + 0 + 2 + 220 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 89801758951641 + 10419461070561 = 9476379^2 + 3227919^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58221949 + ... + 59918592.

Almost surely, 2^{100221220022202} is an apocalyptic number.

100221220022202 is an abundant number, since it is smaller than the sum of its proper divisors (116929366011738).

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

100221220022202 is a wasteful number, since it uses less digits than its factorization.

100221220022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118187678 (or 118187675 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 100221220022202 its reverse (202220022122001), we get a palindrome (302441242144203).

The spelling of 100221220022202 in words is "one hundred trillion, two hundred twenty-one billion, two hundred twenty million, twenty-two thousand, two hundred two".