22101000010121 has 4 divisors (see below), whose sum is σ = 22380759504000. Its totient is φ = 21821240516244.

The previous prime is 22101000010079. The next prime is 22101000010171. The reversal of 22101000010121 is 12101000010122.

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 22101000010121 - 2¹⁰ = 22101000009097 is a prime.

It is a super-3 number, since 3×22101000010121³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101000010171) 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, 139879746821 + ... + 139879746978.

It is an arithmetic number, because the mean of its divisors is an integer number (5595189876000).

Almost surely, 2^{22101000010121} is an apocalyptic number.

It is an amenable number.

22101000010121 is a deficient number, since it is larger than the sum of its proper divisors (279759493879).

22101000010121 is an equidigital number, since it uses as much as digits as its factorization.

22101000010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279759493878.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22101000010121 its reverse (12101000010122), we get a palindrome (34202000020243).

Subtracting from 22101000010121 its reverse (12101000010122), we obtain a palindrome (9999999999999).

The spelling of 22101000010121 in words is "twenty-two trillion, one hundred one billion, ten thousand, one hundred twenty-one".