2112200051 has 4 divisors (see below), whose sum is σ = 2274676992. Its totient is φ = 1949723112.

The previous prime is 2112200021. The next prime is 2112200053. The reversal of 2112200051 is 1500022112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112200051 - 2¹⁸ = 2111937907 is a prime.

It is a super-2 number, since 2×2112200051² = 8922778110888805202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112199999 and 2112200035.

It is not an unprimeable number, because it can be changed into a prime (2112200053) 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, 81238451 + ... + 81238476.

It is an arithmetic number, because the mean of its divisors is an integer number (568669248).

Almost surely, 2^2112200051 is an apocalyptic number.

2112200051 is a deficient number, since it is larger than the sum of its proper divisors (162476941).

2112200051 is a wasteful number, since it uses less digits than its factorization.

2112200051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162476940.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2112200051 is about 45958.6776463379. The cubic root of 2112200051 is about 1283.0542402175.

Adding to 2112200051 its reverse (1500022112), we get a palindrome (3612222163).

The spelling of 2112200051 in words is "two billion, one hundred twelve million, two hundred thousand, fifty-one".