22020110121 has 4 divisors (see below), whose sum is σ = 29360146832. Its totient is φ = 14680073412.

The previous prime is 22020110113. The next prime is 22020110153. The reversal of 22020110121 is 12101102022.

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 22020110121 - 2³ = 22020110113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020110097 and 22020110106.

It is not an unprimeable number, because it can be changed into a prime (22020110111) 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, 3670018351 + ... + 3670018356.

It is an arithmetic number, because the mean of its divisors is an integer number (7340036708).

Almost surely, 2^22020110121 is an apocalyptic number.

It is an amenable number.

22020110121 is a deficient number, since it is larger than the sum of its proper divisors (7340036711).

22020110121 is an equidigital number, since it uses as much as digits as its factorization.

22020110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340036710.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22020110121 its reverse (12101102022), we get a palindrome (34121212143).

The spelling of 22020110121 in words is "twenty-two billion, twenty million, one hundred ten thousand, one hundred twenty-one".