2101312321140 has 48 divisors (see below), whose sum is σ = 5944330953792. Its totient is φ = 554573147136.

The previous prime is 2101312321033. The next prime is 2101312321169. The reversal of 2101312321140 is 411232131012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180519294 + ... + 180530933.

It is an arithmetic number, because the mean of its divisors is an integer number (123840228204).

Almost surely, 2^{2101312321140} is an apocalyptic number.

2101312321140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101312321140 is an abundant number, since it is smaller than the sum of its proper divisors (3843018632652).

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

2101312321140 is a wasteful number, since it uses less digits than its factorization.

2101312321140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361050336 (or 361050334 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2101312321140 its reverse (411232131012), we get a palindrome (2512544452152).

The spelling of 2101312321140 in words is "two trillion, one hundred one billion, three hundred twelve million, three hundred twenty-one thousand, one hundred forty".