2120211442 has 4 divisors (see below), whose sum is σ = 3180317166. Its totient is φ = 1060105720.

The previous prime is 2120211439. The next prime is 2120211469. The reversal of 2120211442 is 2441120212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1429520481 + 690690961 = 37809^2 + 26281^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 530052859 + ... + 530052862.

Almost surely, 2^2120211442 is an apocalyptic number.

2120211442 is a deficient number, since it is larger than the sum of its proper divisors (1060105724).

2120211442 is a wasteful number, since it uses less digits than its factorization.

2120211442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060105723.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2120211442 is about 46045.7537890303. The cubic root of 2120211442 is about 1284.6743646397.

Adding to 2120211442 its reverse (2441120212), we get a palindrome (4561331654).

The spelling of 2120211442 in words is "two billion, one hundred twenty million, two hundred eleven thousand, four hundred forty-two".