112132013221 has 2 divisors, whose sum is σ = 112132013222. Its totient is φ = 112132013220.

The previous prime is 112132013207. The next prime is 112132013291. The reversal of 112132013221 is 122310231211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79207910721 + 32924102500 = 281439^2 + 181450^2 .

It is a cyclic number.

It is not a de Polignac number, because 112132013221 - 2²⁵ = 112098458789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112132013291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56066006610 + 56066006611.

It is an arithmetic number, because the mean of its divisors is an integer number (56066006611).

Almost surely, 2^112132013221 is an apocalyptic number.

It is an amenable number.

112132013221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112132013221 is an equidigital number, since it uses as much as digits as its factorization.

112132013221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112132013221 its reverse (122310231211), we get a palindrome (234442244432).

The spelling of 112132013221 in words is "one hundred twelve billion, one hundred thirty-two million, thirteen thousand, two hundred twenty-one".