2211123051 has 12 divisors (see below), whose sum is σ = 3226771912. Its totient is φ = 1458884736.

The previous prime is 2211123023. The next prime is 2211123107. The reversal of 2211123051 is 1503211122.

It is a de Polignac number, because none of the positive numbers 2^k-2211123051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211823051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1265521 + ... + 1267266.

Almost surely, 2^2211123051 is an apocalyptic number.

2211123051 is a deficient number, since it is larger than the sum of its proper divisors (1015648861).

2211123051 is a wasteful number, since it uses less digits than its factorization.

2211123051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532890 (or 2532887 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2211123051 is about 47022.5802248239. The cubic root of 2211123051 is about 1302.7796639152.

Adding to 2211123051 its reverse (1503211122), we get a palindrome (3714334173).

The spelling of 2211123051 in words is "two billion, two hundred eleven million, one hundred twenty-three thousand, fifty-one".