2113221442 has 8 divisors (see below), whose sum is σ = 3170567232. Its totient is φ = 1056365700.

The previous prime is 2113221437. The next prime is 2113221443. The reversal of 2113221442 is 2441223112.

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

It is not an unprimeable number, because it can be changed into a prime (2113221443) 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, 111534 + ... + 129097.

It is an arithmetic number, because the mean of its divisors is an integer number (396320904).

Almost surely, 2^2113221442 is an apocalyptic number.

2113221442 is a deficient number, since it is larger than the sum of its proper divisors (1057345790).

2113221442 is a wasteful number, since it uses less digits than its factorization.

2113221442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245024.

The product of its digits is 768, while the sum is 22.

The square root of 2113221442 is about 45969.7883614880. The cubic root of 2113221442 is about 1283.2610212736.

Adding to 2113221442 its reverse (2441223112), we get a palindrome (4554444554).

The spelling of 2113221442 in words is "two billion, one hundred thirteen million, two hundred twenty-one thousand, four hundred forty-two".