22000111010121 has 4 divisors (see below), whose sum is σ = 29333481346832. Its totient is φ = 14666740673412.

The previous prime is 22000111010069. The next prime is 22000111010161. The reversal of 22000111010121 is 12101011100022.

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 not a de Polignac number, because 22000111010121 - 2⁶ = 22000111010057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000111010097 and 22000111010106.

It is not an unprimeable number, because it can be changed into a prime (22000111010161) 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, 3666685168351 + ... + 3666685168356.

It is an arithmetic number, because the mean of its divisors is an integer number (7333370336708).

Almost surely, 2^{22000111010121} is an apocalyptic number.

It is an amenable number.

22000111010121 is a deficient number, since it is larger than the sum of its proper divisors (7333370336711).

22000111010121 is an equidigital number, since it uses as much as digits as its factorization.

22000111010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333370336710.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22000111010121 its reverse (12101011100022), we get a palindrome (34101122110143).

The spelling of 22000111010121 in words is "twenty-two trillion, one hundred eleven million, ten thousand, one hundred twenty-one".