2112115235541 has 16 divisors (see below), whose sum is σ = 2823933542400. Its totient is φ = 1404190837808.

The previous prime is 2112115235533. The next prime is 2112115235557. The reversal of 2112115235541 is 1455325112112.

It is a cyclic number.

It is not a de Polignac number, because 2112115235541 - 2³ = 2112115235533 is a prime.

It is a super-2 number, since 2×2112115235541² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112115233541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1642600 + ... + 2631038.

It is an arithmetic number, because the mean of its divisors is an integer number (176495846400).

Almost surely, 2^{2112115235541} is an apocalyptic number.

It is an amenable number.

2112115235541 is a deficient number, since it is larger than the sum of its proper divisors (711818306859).

2112115235541 is a wasteful number, since it uses less digits than its factorization.

2112115235541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990408.

The product of its digits is 12000, while the sum is 33.

The spelling of 2112115235541 in words is "two trillion, one hundred twelve billion, one hundred fifteen million, two hundred thirty-five thousand, five hundred forty-one".