11212313051 has 2 divisors, whose sum is σ = 11212313052. Its totient is φ = 11212313050.

The previous prime is 11212313029. The next prime is 11212313069. The reversal of 11212313051 is 15031321211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212313051 is a prime.

It is not a weakly prime, because it can be changed into another prime (11212319051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606156525 + 5606156526.

It is an arithmetic number, because the mean of its divisors is an integer number (5606156526).

Almost surely, 2^11212313051 is an apocalyptic number.

11212313051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212313051 is an equidigital number, since it uses as much as digits as its factorization.

11212313051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 11212313051 its reverse (15031321211), we get a palindrome (26243634262).

The spelling of 11212313051 in words is "eleven billion, two hundred twelve million, three hundred thirteen thousand, fifty-one".