2112055005531 has 4 divisors (see below), whose sum is σ = 2816073340712. Its totient is φ = 1408036670352.

The previous prime is 2112055005517. The next prime is 2112055005551. The reversal of 2112055005531 is 1355005502112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2112055005531 - 2¹⁸ = 2112054743387 is a prime.

It is a super-2 number, since 2×2112055005531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112055005551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352009167586 + ... + 352009167591.

It is an arithmetic number, because the mean of its divisors is an integer number (704018335178).

Almost surely, 2^{2112055005531} is an apocalyptic number.

2112055005531 is a deficient number, since it is larger than the sum of its proper divisors (704018335181).

2112055005531 is an equidigital number, since it uses as much as digits as its factorization.

2112055005531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704018335180.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 2112055005531 in words is "two trillion, one hundred twelve billion, fifty-five million, five thousand, five hundred thirty-one".