100022200121 has 4 divisors (see below), whose sum is σ = 101288304000. Its totient is φ = 98756096244.

The previous prime is 100022200097. The next prime is 100022200129. The reversal of 100022200121 is 121002220001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100022200121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100022200129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633051821 + ... + 633051978.

It is an arithmetic number, because the mean of its divisors is an integer number (25322076000).

Almost surely, 2^100022200121 is an apocalyptic number.

It is an amenable number.

100022200121 is a deficient number, since it is larger than the sum of its proper divisors (1266103879).

100022200121 is an equidigital number, since it uses as much as digits as its factorization.

100022200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266103878.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100022200121 its reverse (121002220001), we get a palindrome (221024420122).

The spelling of 100022200121 in words is "one hundred billion, twenty-two million, two hundred thousand, one hundred twenty-one".