2101331213112 has 64 divisors (see below), whose sum is σ = 5279025830400. Its totient is φ = 697021498880.

The previous prime is 2101331213083. The next prime is 2101331213147. The reversal of 2101331213112 is 2113121331012.

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, 8056912 + ... + 8313632.

It is an arithmetic number, because the mean of its divisors is an integer number (82484778600).

Almost surely, 2^{2101331213112} is an apocalyptic number.

It is an amenable number.

2101331213112 is an abundant number, since it is smaller than the sum of its proper divisors (3177694617288).

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

2101331213112 is a wasteful number, since it uses less digits than its factorization.

2101331213112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258396 (or 258392 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2101331213112 its reverse (2113121331012), we get a palindrome (4214452544124).

The spelling of 2101331213112 in words is "two trillion, one hundred one billion, three hundred thirty-one million, two hundred thirteen thousand, one hundred twelve".