2022111112121 has 4 divisors (see below), whose sum is σ = 2023772667252. Its totient is φ = 2020449556992.

The previous prime is 2022111112039. The next prime is 2022111112159. The reversal of 2022111112121 is 1212111112202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 891740262400 + 1130370849721 = 944320^2 + 1063189^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022111112121 - 2²⁶ = 2022044003257 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 2022111112121.

It is not an unprimeable number, because it can be changed into a prime (2022111112171) 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, 830775740 + ... + 830778173.

It is an arithmetic number, because the mean of its divisors is an integer number (505943166813).

Almost surely, 2^{2022111112121} is an apocalyptic number.

It is an amenable number.

2022111112121 is a deficient number, since it is larger than the sum of its proper divisors (1661555131).

2022111112121 is a wasteful number, since it uses less digits than its factorization.

2022111112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661555130.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2022111112121 its reverse (1212111112202), we get a palindrome (3234222224323).

The spelling of 2022111112121 in words is "two trillion, twenty-two billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty-one".