2111102442 has 12 divisors (see below), whose sum is σ = 4574055330. Its totient is φ = 703700808.

The previous prime is 2111102437. The next prime is 2111102479. The reversal of 2111102442 is 2442011112.

2111102442 is a `hidden beast` number, since 211 + 1 + 10 + 2 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1977491961 + 133610481 = 44469^2 + 11559^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 117283469 = 2111102442 / (2 + 1 + 1 + 1 + 1 + 0 + 2 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58641717 + ... + 58641752.

Almost surely, 2^2111102442 is an apocalyptic number.

2111102442 is an abundant number, since it is smaller than the sum of its proper divisors (2462952888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111102442 is a wasteful number, since it uses less digits than its factorization.

2111102442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117283477 (or 117283474 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2111102442 is about 45946.7348350239. The cubic root of 2111102442 is about 1282.8319544714.

Adding to 2111102442 its reverse (2442011112), we get a palindrome (4553113554).

The spelling of 2111102442 in words is "two billion, one hundred eleven million, one hundred two thousand, four hundred forty-two".