2211112051 has 2 divisors, whose sum is σ = 2211112052. Its totient is φ = 2211112050.

The previous prime is 2211112049. The next prime is 2211112067. The reversal of 2211112051 is 1502111122.

2211112051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2211112067) can be obtained adding 2211112051 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211112051 - 2¹ = 2211112049 is a prime.

Together with 2211112049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2211812051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105556025 + 1105556026.

It is an arithmetic number, because the mean of its divisors is an integer number (1105556026).

Almost surely, 2^2211112051 is an apocalyptic number.

2211112051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211112051 is an equidigital number, since it uses as much as digits as its factorization.

2211112051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 2211112051 is about 47022.4632595954. The cubic root of 2211112051 is about 1302.7775035349. Note that the first 3 decimals are identical.

Adding to 2211112051 its reverse (1502111122), we get a palindrome (3713223173).

The spelling of 2211112051 in words is "two billion, two hundred eleven million, one hundred twelve thousand, fifty-one".