100220202100221 has 32 divisors (see below), whose sum is σ = 160755138677760. Its totient is φ = 54254231692416.

The previous prime is 100220202100201. The next prime is 100220202100253. The reversal of 100220202100221 is 122001202022001.

It is not a de Polignac number, because 100220202100221 - 2¹¹ = 100220202098173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100220202100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220202100201) 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, 79408105 + ... + 80660321.

It is an arithmetic number, because the mean of its divisors is an integer number (5023598083680).

Almost surely, 2^{100220202100221} is an apocalyptic number.

It is an amenable number.

100220202100221 is a deficient number, since it is larger than the sum of its proper divisors (60534936577539).

100220202100221 is a wasteful number, since it uses less digits than its factorization.

100220202100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452833.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100220202100221 its reverse (122001202022001), we get a palindrome (222221404122222).

The spelling of 100220202100221 in words is "one hundred trillion, two hundred twenty billion, two hundred two million, one hundred thousand, two hundred twenty-one".