2100113442 has 36 divisors (see below), whose sum is σ = 5293145286. Its totient is φ = 600032160.

The previous prime is 2100113423. The next prime is 2100113467. The reversal of 2100113442 is 2443110012.

2100113442 is a `hidden beast` number, since 210 + 0 + 1 + 13 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1158789681 + 941323761 = 34041^2 + 30681^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1189659 + ... + 1191422.

Almost surely, 2^2100113442 is an apocalyptic number.

2100113442 is an abundant number, since it is smaller than the sum of its proper divisors (3193031844).

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

2100113442 is a wasteful number, since it uses less digits than its factorization.

2100113442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381103 (or 2381093 counting only the distinct ones).

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

The square root of 2100113442 is about 45826.9946865382. The cubic root of 2100113442 is about 1280.6022235345.

Adding to 2100113442 its reverse (2443110012), we get a palindrome (4543223454).

It can be divided in two parts, 21001 and 13442, that added together give a palindrome (34443).

The spelling of 2100113442 in words is "two billion, one hundred million, one hundred thirteen thousand, four hundred forty-two".