113212212611 has 2 divisors, whose sum is σ = 113212212612. Its totient is φ = 113212212610.

The previous prime is 113212212559. The next prime is 113212212689. The reversal of 113212212611 is 116212212311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113212212611 is a prime.

It is not a weakly prime, because it can be changed into another prime (113212202611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606106305 + 56606106306.

It is an arithmetic number, because the mean of its divisors is an integer number (56606106306).

Almost surely, 2^113212212611 is an apocalyptic number.

113212212611 is a deficient number, since it is larger than the sum of its proper divisors (1).

113212212611 is an equidigital number, since it uses as much as digits as its factorization.

113212212611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

Adding to 113212212611 its reverse (116212212311), we get a palindrome (229424424922).

The spelling of 113212212611 in words is "one hundred thirteen billion, two hundred twelve million, two hundred twelve thousand, six hundred eleven".