112200021212221 has 2 divisors, whose sum is σ = 112200021212222. Its totient is φ = 112200021212220.

The previous prime is 112200021212183. The next prime is 112200021212233. The reversal of 112200021212221 is 122212120002211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112166866264996 + 33154947225 = 10590886^2 + 182085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112200021212221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112200021218221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56100010606110 + 56100010606111.

It is an arithmetic number, because the mean of its divisors is an integer number (56100010606111).

Almost surely, 2^{112200021212221} is an apocalyptic number.

It is an amenable number.

112200021212221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112200021212221 is an equidigital number, since it uses as much as digits as its factorization.

112200021212221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112200021212221 its reverse (122212120002211), we get a palindrome (234412141214432).

The spelling of 112200021212221 in words is "one hundred twelve trillion, two hundred billion, twenty-one million, two hundred twelve thousand, two hundred twenty-one".