222122110121 has 4 divisors (see below), whose sum is σ = 226848112512. Its totient is φ = 217396107732.

The previous prime is 222122110099. The next prime is 222122110141. The reversal of 222122110121 is 121011221222.

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 222122110121 - 2¹⁴ = 222122093737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222122110121.

It is not an unprimeable number, because it can be changed into a prime (222122110141) 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, 2363001125 + ... + 2363001218.

It is an arithmetic number, because the mean of its divisors is an integer number (56712028128).

Almost surely, 2^222122110121 is an apocalyptic number.

It is an amenable number.

222122110121 is a deficient number, since it is larger than the sum of its proper divisors (4726002391).

222122110121 is an equidigital number, since it uses as much as digits as its factorization.

222122110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726002390.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222122110121 its reverse (121011221222), we get a palindrome (343133331343).

The spelling of 222122110121 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty-one".