2112051166556 has 24 divisors (see below), whose sum is σ = 3721020525600. Its totient is φ = 1048902921792.

The previous prime is 2112051166531. The next prime is 2112051166571. The reversal of 2112051166556 is 6556611502112.

It is a super-2 number, since 2×2112051166556² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35251481 + ... + 35311343.

It is an arithmetic number, because the mean of its divisors is an integer number (155042521900).

Almost surely, 2^{2112051166556} is an apocalyptic number.

It is an amenable number.

2112051166556 is a deficient number, since it is larger than the sum of its proper divisors (1608969359044).

2112051166556 is a wasteful number, since it uses less digits than its factorization.

2112051166556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119213 (or 119211 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

Adding to 2112051166556 its reverse (6556611502112), we get a palindrome (8668662668668).

The spelling of 2112051166556 in words is "two trillion, one hundred twelve billion, fifty-one million, one hundred sixty-six thousand, five hundred fifty-six".