2113121302112 has 24 divisors (see below), whose sum is σ = 4199088014856. Its totient is φ = 1046686250752.

The previous prime is 2113121302099. The next prime is 2113121302121. The reversal of 2113121302112 is 2112031213112.

It is a congruent number.

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, 308571533 + ... + 308578380.

It is an arithmetic number, because the mean of its divisors is an integer number (174962000619).

Almost surely, 2^{2113121302112} is an apocalyptic number.

It is an amenable number.

2113121302112 is a deficient number, since it is larger than the sum of its proper divisors (2085966712744).

2113121302112 is a wasteful number, since it uses less digits than its factorization.

2113121302112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617150030 (or 617150022 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2113121302112 its reverse (2112031213112), we get a palindrome (4225152515224).

The spelling of 2113121302112 in words is "two trillion, one hundred thirteen billion, one hundred twenty-one million, three hundred two thousand, one hundred twelve".