2111421442 has 24 divisors (see below), whose sum is σ = 3446841600. Its totient is φ = 969574320.

The previous prime is 2111421409. The next prime is 2111421443. The reversal of 2111421442 is 2441241112.

It is not an unprimeable number, because it can be changed into a prime (2111421443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51567 + ... + 82957.

It is an arithmetic number, because the mean of its divisors is an integer number (143618400).

Almost surely, 2^2111421442 is an apocalyptic number.

2111421442 is a deficient number, since it is larger than the sum of its proper divisors (1335420158).

2111421442 is a wasteful number, since it uses less digits than its factorization.

2111421442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31618 (or 31605 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 2111421442 is about 45950.2061148805. The cubic root of 2111421442 is about 1282.8965657025.

Adding to 2111421442 its reverse (2441241112), we get a palindrome (4552662554).

The spelling of 2111421442 in words is "two billion, one hundred eleven million, four hundred twenty-one thousand, four hundred forty-two".