2142511051 has 2 divisors, whose sum is σ = 2142511052. Its totient is φ = 2142511050.

The previous prime is 2142511043. The next prime is 2142511057. The reversal of 2142511051 is 1501152412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142511051 - 2³ = 2142511043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2142511057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071255525 + 1071255526.

It is an arithmetic number, because the mean of its divisors is an integer number (1071255526).

Almost surely, 2^2142511051 is an apocalyptic number.

2142511051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142511051 is an equidigital number, since it uses as much as digits as its factorization.

2142511051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2142511051 is about 46287.2666183692. The cubic root of 2142511051 is about 1289.1625779000.

Adding to 2142511051 its reverse (1501152412), we get a palindrome (3643663463).

The spelling of 2142511051 in words is "two billion, one hundred forty-two million, five hundred eleven thousand, fifty-one".