2113100442 has 48 divisors (see below), whose sum is σ = 4851392832. Its totient is φ = 662428800.

The previous prime is 2113100419. The next prime is 2113100443. The reversal of 2113100442 is 2440013112.

2113100442 is a `hidden beast` number, since 211 + 3 + 10 + 0 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2113100443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 779253 + ... + 781959.

It is an arithmetic number, because the mean of its divisors is an integer number (101070684).

Almost surely, 2^2113100442 is an apocalyptic number.

2113100442 is an abundant number, since it is smaller than the sum of its proper divisors (2738292390).

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

2113100442 is a wasteful number, since it uses less digits than its factorization.

2113100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283 (or 5280 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2113100442 is about 45968.4722608877. The cubic root of 2113100442 is about 1283.2365282501.

Adding to 2113100442 its reverse (2440013112), we get a palindrome (4553113554).

The spelling of 2113100442 in words is "two billion, one hundred thirteen million, one hundred thousand, four hundred forty-two".