2110222201121 has 4 divisors (see below), whose sum is σ = 2234352918852. Its totient is φ = 1986091483392.

The previous prime is 2110222201033. The next prime is 2110222201133. The reversal of 2110222201121 is 1211022220112.

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 1971960190225 + 138262010896 = 1404265^2 + 371836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110222201121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 124130717713 = 2110222201121 / (2 + 1 + 1 + 0 + 2 + 2 + 2 + 2 + 0 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2110222201121.

It is not an unprimeable number, because it can be changed into a prime (2110225201121) 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, 62065358840 + ... + 62065358873.

It is an arithmetic number, because the mean of its divisors is an integer number (558588229713).

Almost surely, 2^{2110222201121} is an apocalyptic number.

It is an amenable number.

2110222201121 is a deficient number, since it is larger than the sum of its proper divisors (124130717731).

2110222201121 is a wasteful number, since it uses less digits than its factorization.

2110222201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124130717730.

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

Adding to 2110222201121 its reverse (1211022220112), we get a palindrome (3321244421233).

The spelling of 2110222201121 in words is "two trillion, one hundred ten billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty-one".