2122111201121 has 8 divisors (see below), whose sum is σ = 2133679242240. Its totient is φ = 2110561480512.

The previous prime is 2122111200949. The next prime is 2122111201127. The reversal of 2122111201121 is 1211021112212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122111201121 - 2³⁸ = 1847233294177 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 2122111201121.

It is not an unprimeable number, because it can be changed into a prime (2122111201127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4347800 + ... + 4811193.

It is an arithmetic number, because the mean of its divisors is an integer number (266709905280).

Almost surely, 2^{2122111201121} is an apocalyptic number.

It is an amenable number.

2122111201121 is a deficient number, since it is larger than the sum of its proper divisors (11568041119).

2122111201121 is a wasteful number, since it uses less digits than its factorization.

2122111201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160255.

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

Adding to 2122111201121 its reverse (1211021112212), we get a palindrome (3333132313333).

It can be divided in two parts, 2122111 and 201121, that added together give a palindrome (2323232).

The spelling of 2122111201121 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, two hundred one thousand, one hundred twenty-one".