2101540232 has 16 divisors (see below), whose sum is σ = 4298605200. Its totient is φ = 955245520.

The previous prime is 2101540183. The next prime is 2101540307. The reversal of 2101540232 is 2320451012.

It is a super-2 number, since 2×2101540232² = 8832942693429227648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11940482 + ... + 11940657.

It is an arithmetic number, because the mean of its divisors is an integer number (268662825).

Almost surely, 2^2101540232 is an apocalyptic number.

2101540232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2101540232 is an abundant number, since it is smaller than the sum of its proper divisors (2197064968).

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

2101540232 is a wasteful number, since it uses less digits than its factorization.

2101540232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23881156 (or 23881152 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2101540232 is about 45842.5591781262. The cubic root of 2101540232 is about 1280.8921660974.

Adding to 2101540232 its reverse (2320451012), we get a palindrome (4421991244).

The spelling of 2101540232 in words is "two billion, one hundred one million, five hundred forty thousand, two hundred thirty-two".