100021222220122 has 32 divisors (see below), whose sum is σ = 183422787182208. Its totient is φ = 39928769980416.

The previous prime is 100021222220089. The next prime is 100021222220131. The reversal of 100021222220122 is 221022222120001.

It is a self number, because there is not a number n which added to its sum of digits gives 100021222220122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2166251328 + ... + 2166297499.

It is an arithmetic number, because the mean of its divisors is an integer number (5731962099444).

Almost surely, 2^{100021222220122} is an apocalyptic number.

100021222220122 is a deficient number, since it is larger than the sum of its proper divisors (83401564962086).

100021222220122 is a wasteful number, since it uses less digits than its factorization.

100021222220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332548950.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 100021222220122 its reverse (221022222120001), we get a palindrome (321043444340123).

The spelling of 100021222220122 in words is "one hundred trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-two".