2101302444 has 48 divisors (see below), whose sum is σ = 4945377248. Its totient is φ = 694407168.

The previous prime is 2101302431. The next prime is 2101302499. The reversal of 2101302444 is 4442031012.

It is a super-2 number, since 2×2101302444² = 8830943922320746272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2101302444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1086102 + ... + 1088034.

Almost surely, 2^2101302444 is an apocalyptic number.

It is an amenable number.

2101302444 is an abundant number, since it is smaller than the sum of its proper divisors (2844074804).

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

2101302444 is a wasteful number, since it uses less digits than its factorization.

2101302444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2101302444 is about 45839.9655759033. The cubic root of 2101302444 is about 1280.8438535518.

Adding to 2101302444 its reverse (4442031012), we get a palindrome (6543333456).

The spelling of 2101302444 in words is "two billion, one hundred one million, three hundred two thousand, four hundred forty-four".