2112111115254 has 64 divisors (see below), whose sum is σ = 5465301050880. Its totient is φ = 592074269280.

The previous prime is 2112111115211. The next prime is 2112111115259. The reversal of 2112111115254 is 4525111112112.

2112111115254 is a `hidden beast` number, since 2 + 1 + 1 + 21 + 1 + 111 + 525 + 4 = 666.

It is a super-2 number, since 2×2112111115254² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112111115259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52693132 + ... + 52733199.

It is an arithmetic number, because the mean of its divisors is an integer number (85395328920).

Almost surely, 2^{2112111115254} is an apocalyptic number.

2112111115254 is an abundant number, since it is smaller than the sum of its proper divisors (3353189935626).

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

2112111115254 is a wasteful number, since it uses less digits than its factorization.

2112111115254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105426402 (or 105426396 counting only the distinct ones).

The product of its digits is 800, while the sum is 27.

Adding to 2112111115254 its reverse (4525111112112), we get a palindrome (6637222227366).

The spelling of 2112111115254 in words is "two trillion, one hundred twelve billion, one hundred eleven million, one hundred fifteen thousand, two hundred fifty-four".