100022110021221 has 16 divisors (see below), whose sum is σ = 140392711575936. Its totient is φ = 63217770699776.

The previous prime is 100022110021213. The next prime is 100022110021297. The reversal of 100022110021221 is 122120011220001.

It is a cyclic number.

It is not a de Polignac number, because 100022110021221 - 2³ = 100022110021213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100022110021221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100022110021621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6414132900 + ... + 6414148493.

It is an arithmetic number, because the mean of its divisors is an integer number (8774544473496).

Almost surely, 2^{100022110021221} is an apocalyptic number.

It is an amenable number.

100022110021221 is a deficient number, since it is larger than the sum of its proper divisors (40370601554715).

100022110021221 is a wasteful number, since it uses less digits than its factorization.

100022110021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12828281532.

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

Adding to 100022110021221 its reverse (122120011220001), we get a palindrome (222142121241222).

The spelling of 100022110021221 in words is "one hundred trillion, twenty-two billion, one hundred ten million, twenty-one thousand, two hundred twenty-one".