2122210011121 has 4 divisors (see below), whose sum is σ = 2122573222512. Its totient is φ = 2121846799732.

The previous prime is 2122210011107. The next prime is 2122210011133. The reversal of 2122210011121 is 1211100122212.

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 2122210011121 - 2¹⁵ = 2122209978353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122210011095 and 2122210011104.

It is not an unprimeable number, because it can be changed into a prime (2122210011101) 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, 181596931 + ... + 181608616.

It is an arithmetic number, because the mean of its divisors is an integer number (530643305628).

Almost surely, 2^{2122210011121} is an apocalyptic number.

It is an amenable number.

2122210011121 is a deficient number, since it is larger than the sum of its proper divisors (363211391).

2122210011121 is an equidigital number, since it uses as much as digits as its factorization.

2122210011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363211390.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2122210011121 its reverse (1211100122212), we get a palindrome (3333310133333).

The spelling of 2122210011121 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, eleven thousand, one hundred twenty-one".