2112227551 has 16 divisors (see below), whose sum is σ = 2436259840. Its totient is φ = 1793806560.

The previous prime is 2112227539. The next prime is 2112227561. The reversal of 2112227551 is 1557222112.

It is not a de Polignac number, because 2112227551 - 2⁵ = 2112227519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112227531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040005 + ... + 1042033.

It is an arithmetic number, because the mean of its divisors is an integer number (152266240).

Almost surely, 2^2112227551 is an apocalyptic number.

2112227551 is a deficient number, since it is larger than the sum of its proper divisors (324032289).

2112227551 is a wasteful number, since it uses less digits than its factorization.

2112227551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334.

The product of its digits is 2800, while the sum is 28.

The square root of 2112227551 is about 45958.9768271662. The cubic root of 2112227551 is about 1283.0598084777.

Adding to 2112227551 its reverse (1557222112), we get a palindrome (3669449663).

The spelling of 2112227551 in words is "two billion, one hundred twelve million, two hundred twenty-seven thousand, five hundred fifty-one".