2122202011121 has 4 divisors (see below), whose sum is σ = 2190660140544. Its totient is φ = 2053743881700.

The previous prime is 2122202011109. The next prime is 2122202011133. The reversal of 2122202011121 is 1211102022212.

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 an interprime number because it is at equal distance from previous prime (2122202011109) and next prime (2122202011133).

It is a cyclic number.

It is not a de Polignac number, because 2122202011121 - 2¹⁸ = 2122201748977 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 2122202011121.

It is not an unprimeable number, because it can be changed into a prime (2122202011421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34229064665 + ... + 34229064726.

It is an arithmetic number, because the mean of its divisors is an integer number (547665035136).

Almost surely, 2^{2122202011121} is an apocalyptic number.

It is an amenable number.

2122202011121 is a deficient number, since it is larger than the sum of its proper divisors (68458129423).

2122202011121 is an equidigital number, since it uses as much as digits as its factorization.

2122202011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68458129422.

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

Adding to 2122202011121 its reverse (1211102022212), we get a palindrome (3333304033333).

The spelling of 2122202011121 in words is "two trillion, one hundred twenty-two billion, two hundred two million, eleven thousand, one hundred twenty-one".