2102231140 has 24 divisors (see below), whose sum is σ = 4455948672. Its totient is φ = 833032800.

The previous prime is 2102231129. The next prime is 2102231143. The reversal of 2102231140 is 411322012.

It is not an unprimeable number, because it can be changed into a prime (2102231143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489036 + ... + 493315.

It is an arithmetic number, because the mean of its divisors is an integer number (185664528).

Almost surely, 2^2102231140 is an apocalyptic number.

2102231140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102231140 is an abundant number, since it is smaller than the sum of its proper divisors (2353717532).

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

2102231140 is a wasteful number, since it uses less digits than its factorization.

2102231140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982467 (or 982465 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2102231140 is about 45850.0942201867. The cubic root of 2102231140 is about 1281.0325205648.

Adding to 2102231140 its reverse (411322012), we get a palindrome (2513553152).

The spelling of 2102231140 in words is "two billion, one hundred two million, two hundred thirty-one thousand, one hundred forty".