2111242442 has 16 divisors (see below), whose sum is σ = 3203418120. Its totient is φ = 1043463168.

The previous prime is 2111242429. The next prime is 2111242457. The reversal of 2111242442 is 2442421112.

It can be written as a sum of positive squares in 4 ways, for example, as 1553857561 + 557384881 = 39419^2 + 23609^2 .

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, 163934 + ... + 176342.

Almost surely, 2^2111242442 is an apocalyptic number.

2111242442 is a deficient number, since it is larger than the sum of its proper divisors (1092175678).

2111242442 is a wasteful number, since it uses less digits than its factorization.

2111242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13385.

The product of its digits is 1024, while the sum is 23.

The square root of 2111242442 is about 45948.2583130199. The cubic root of 2111242442 is about 1282.8603112990.

Adding to 2111242442 its reverse (2442421112), we get a palindrome (4553663554).

The spelling of 2111242442 in words is "two billion, one hundred eleven million, two hundred forty-two thousand, four hundred forty-two".