100221000112221 has 32 divisors (see below), whose sum is σ = 138749451337728. Its totient is φ = 64278687145920.

The previous prime is 100221000112193. The next prime is 100221000112237. The reversal of 100221000112221 is 122211000122001.

It is not a de Polignac number, because 100221000112221 - 2⁹ = 100221000111709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100221000112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221000112291) 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, 167461300 + ... + 168058706.

It is an arithmetic number, because the mean of its divisors is an integer number (4335920354304).

Almost surely, 2^{100221000112221} is an apocalyptic number.

It is an amenable number.

100221000112221 is a deficient number, since it is larger than the sum of its proper divisors (38528451225507).

100221000112221 is a wasteful number, since it uses less digits than its factorization.

100221000112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608041.

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

Adding to 100221000112221 its reverse (122211000122001), we get a palindrome (222432000234222).

The spelling of 100221000112221 in words is "one hundred trillion, two hundred twenty-one billion, one hundred twelve thousand, two hundred twenty-one".