2115050100 has 72 divisors (see below), whose sum is σ = 6385632960. Its totient is φ = 539489280.

The previous prime is 2115050059. The next prime is 2115050107. The reversal of 2115050100 is 10505112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2115050100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115050107) 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, 146365 + ... + 160164.

Almost surely, 2^2115050100 is an apocalyptic number.

2115050100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115050100 is an abundant number, since it is smaller than the sum of its proper divisors (4270582860).

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

2115050100 is a wasteful number, since it uses less digits than its factorization.

2115050100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306569 (or 306562 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 2115050100 is about 45989.6738409830. The cubic root of 2115050100 is about 1283.6310675180.

Adding to 2115050100 its reverse (10505112), we get a palindrome (2125555212).

The spelling of 2115050100 in words is "two billion, one hundred fifteen million, fifty thousand, one hundred".