2120121422 has 8 divisors (see below), whose sum is σ = 3347560200. Its totient is φ = 1004268024.

The previous prime is 2120121383. The next prime is 2120121427. The reversal of 2120121422 is 2241210212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2120121422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120121427) 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, 27896297 + ... + 27896372.

It is an arithmetic number, because the mean of its divisors is an integer number (418445025).

Almost surely, 2^2120121422 is an apocalyptic number.

2120121422 is a deficient number, since it is larger than the sum of its proper divisors (1227438778).

2120121422 is a wasteful number, since it uses less digits than its factorization.

2120121422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55792690.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2120121422 is about 46044.7762726675. The cubic root of 2120121422 is about 1284.6561828017.

Adding to 2120121422 its reverse (2241210212), we get a palindrome (4361331634).

The spelling of 2120121422 in words is "two billion, one hundred twenty million, one hundred twenty-one thousand, four hundred twenty-two".