2113122101112 has 96 divisors (see below), whose sum is σ = 6254405988480. Its totient is φ = 639202524480.

The previous prime is 2113122101099. The next prime is 2113122101131. The reversal of 2113122101112 is 2111012213112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1923628 + ... + 2815419.

It is an arithmetic number, because the mean of its divisors is an integer number (65150062380).

Almost surely, 2^{2113122101112} is an apocalyptic number.

2113122101112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2113122101112 is an abundant number, since it is smaller than the sum of its proper divisors (4141283887368).

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

2113122101112 is a wasteful number, since it uses less digits than its factorization.

2113122101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739633 (or 4739626 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 2113122101112 its reverse (2111012213112), we get a palindrome (4224134314224).

The spelling of 2113122101112 in words is "two trillion, one hundred thirteen billion, one hundred twenty-two million, one hundred one thousand, one hundred twelve".