11121001313 has 2 divisors, whose sum is σ = 11121001314. Its totient is φ = 11121001312.

The previous prime is 11121001249. The next prime is 11121001373. The reversal of 11121001313 is 31310012111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10694041744 + 426959569 = 103412^2 + 20663^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121001313 - 2⁶ = 11121001249 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121001373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560500656 + 5560500657.

It is an arithmetic number, because the mean of its divisors is an integer number (5560500657).

Almost surely, 2^11121001313 is an apocalyptic number.

It is an amenable number.

11121001313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121001313 is an equidigital number, since it uses as much as digits as its factorization.

11121001313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11121001313 its reverse (31310012111), we get a palindrome (42431013424).

The spelling of 11121001313 in words is "eleven billion, one hundred twenty-one million, one thousand, three hundred thirteen".