2101044402 has 12 divisors (see below), whose sum is σ = 4552262910. Its totient is φ = 700348128.

The previous prime is 2101044397. The next prime is 2101044427. The reversal of 2101044402 is 2044401012.

2101044402 is a `hidden beast` number, since 210 + 10 + 4 + 440 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1916600841 + 184443561 = 43779^2 + 13581^2 .

It is a super-5 number, since 5×2101044402⁵ (a number of 48 digits) contains 55555 as substring.

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: 116724689 = 2101044402 / (2 + 1 + 0 + 1 + 0 + 4 + 4 + 4 + 0 + 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, 58362327 + ... + 58362362.

Almost surely, 2^2101044402 is an apocalyptic number.

2101044402 is an abundant number, since it is smaller than the sum of its proper divisors (2451218508).

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

2101044402 is a wasteful number, since it uses less digits than its factorization.

2101044402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116724697 (or 116724694 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2101044402 is about 45837.1508931347. The cubic root of 2101044402 is about 1280.7914217786.

Adding to 2101044402 its reverse (2044401012), we get a palindrome (4145445414).

The spelling of 2101044402 in words is "two billion, one hundred one million, forty-four thousand, four hundred two".