2113512810 has 16 divisors (see below), whose sum is σ = 5072430816. Its totient is φ = 563603408.

The previous prime is 2113512787. The next prime is 2113512827. The reversal of 2113512810 is 182153112.

It is a super-2 number, since 2×2113512810² = 8933872796068192200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35225184 + ... + 35225243.

It is an arithmetic number, because the mean of its divisors is an integer number (317026926).

Almost surely, 2^2113512810 is an apocalyptic number.

2113512810 is an abundant number, since it is smaller than the sum of its proper divisors (2958918006).

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

2113512810 is a wasteful number, since it uses less digits than its factorization.

2113512810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70450437.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 2113512810 is about 45972.9573771364. The cubic root of 2113512810 is about 1283.3199966381.

Adding to 2113512810 its reverse (182153112), we get a palindrome (2295665922).

The spelling of 2113512810 in words is "two billion, one hundred thirteen million, five hundred twelve thousand, eight hundred ten".