22100120120121 has 4 divisors (see below), whose sum is σ = 29466826826832. Its totient is φ = 14733413413412.

The previous prime is 22100120120107. The next prime is 22100120120179. The reversal of 22100120120121 is 12102102100122.

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 not a de Polignac number, because 22100120120121 - 2⁷ = 22100120119993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22100120120121.

It is not an unprimeable number, because it can be changed into a prime (22100120120101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683353353351 + ... + 3683353353356.

It is an arithmetic number, because the mean of its divisors is an integer number (7366706706708).

Almost surely, 2^{22100120120121} is an apocalyptic number.

It is an amenable number.

22100120120121 is a deficient number, since it is larger than the sum of its proper divisors (7366706706711).

22100120120121 is an equidigital number, since it uses as much as digits as its factorization.

22100120120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366706706710.

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

Adding to 22100120120121 its reverse (12102102100122), we get a palindrome (34202222220243).

The spelling of 22100120120121 in words is "twenty-two trillion, one hundred billion, one hundred twenty million, one hundred twenty thousand, one hundred twenty-one".