2011322051 has 2 divisors, whose sum is σ = 2011322052. Its totient is φ = 2011322050.

The previous prime is 2011322039. The next prime is 2011322059. The reversal of 2011322051 is 1502231102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011322051 - 2¹⁰ = 2011321027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011322059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005661025 + 1005661026.

It is an arithmetic number, because the mean of its divisors is an integer number (1005661026).

Almost surely, 2^2011322051 is an apocalyptic number.

2011322051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011322051 is an equidigital number, since it uses as much as digits as its factorization.

2011322051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2011322051 is about 44847.7652843483. The cubic root of 2011322051 is about 1262.2940593537.

Adding to 2011322051 its reverse (1502231102), we get a palindrome (3513553153).

The spelling of 2011322051 in words is "two billion, eleven million, three hundred twenty-two thousand, fifty-one".