113210233421 has 2 divisors, whose sum is σ = 113210233422. Its totient is φ = 113210233420.

The previous prime is 113210233319. The next prime is 113210233463. The reversal of 113210233421 is 124332012311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113037836521 + 172396900 = 336211^2 + 13130^2 .

It is a cyclic number.

It is not a de Polignac number, because 113210233421 - 2²² = 113206039117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113210233481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56605116710 + 56605116711.

It is an arithmetic number, because the mean of its divisors is an integer number (56605116711).

Almost surely, 2^113210233421 is an apocalyptic number.

It is an amenable number.

113210233421 is a deficient number, since it is larger than the sum of its proper divisors (1).

113210233421 is an equidigital number, since it uses as much as digits as its factorization.

113210233421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 113210233421 its reverse (124332012311), we get a palindrome (237542245732).

The spelling of 113210233421 in words is "one hundred thirteen billion, two hundred ten million, two hundred thirty-three thousand, four hundred twenty-one".