22100120120021 has 8 divisors (see below), whose sum is σ = 23451859229760. Its totient is φ = 20780953037152.

The previous prime is 22100120119993. The next prime is 22100120120053. The reversal of 22100120120021 is 12002102100122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22100120120021 - 2³⁰ = 22099046378197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100120119978 and 22100120120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100120120621) 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 7 ways as a sum of consecutive naturals, for example, 8143005320 + ... + 8143008033.

It is an arithmetic number, because the mean of its divisors is an integer number (2931482403720).

Almost surely, 2^{22100120120021} is an apocalyptic number.

It is an amenable number.

22100120120021 is a deficient number, since it is larger than the sum of its proper divisors (1351739109739).

22100120120021 is a wasteful number, since it uses less digits than its factorization.

22100120120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16286013435.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22100120120021 its reverse (12002102100122), we get a palindrome (34102222220143).

The spelling of 22100120120021 in words is "twenty-two trillion, one hundred billion, one hundred twenty million, one hundred twenty thousand, twenty-one".