113120221211 has 2 divisors, whose sum is σ = 113120221212. Its totient is φ = 113120221210.

The previous prime is 113120221189. The next prime is 113120221231. The reversal of 113120221211 is 112122021311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113120221211 - 2⁶ = 113120221147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113120221211.

It is not a weakly prime, because it can be changed into another prime (113120221231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56560110605 + 56560110606.

It is an arithmetic number, because the mean of its divisors is an integer number (56560110606).

Almost surely, 2^113120221211 is an apocalyptic number.

113120221211 is a deficient number, since it is larger than the sum of its proper divisors (1).

113120221211 is an equidigital number, since it uses as much as digits as its factorization.

113120221211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 113120221211 its reverse (112122021311), we get a palindrome (225242242522).

The spelling of 113120221211 in words is "one hundred thirteen billion, one hundred twenty million, two hundred twenty-one thousand, two hundred eleven".