2111122442 has 16 divisors (see below), whose sum is σ = 3720300192. Its totient is φ = 885785520.

The previous prime is 2111122439. The next prime is 2111122469. The reversal of 2111122442 is 2442211112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3690488 + ... + 3691059.

It is an arithmetic number, because the mean of its divisors is an integer number (232518762).

Almost surely, 2^2111122442 is an apocalyptic number.

2111122442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111122442 is a deficient number, since it is larger than the sum of its proper divisors (1609177750).

2111122442 is a wasteful number, since it uses less digits than its factorization.

2111122442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381573.

The product of its digits is 256, while the sum is 20.

The square root of 2111122442 is about 45946.9524778303. The cubic root of 2111122442 is about 1282.8360055235.

Adding to 2111122442 its reverse (2442211112), we get a palindrome (4553333554).

The spelling of 2111122442 in words is "two billion, one hundred eleven million, one hundred twenty-two thousand, four hundred forty-two".