112100201012221 has 2 divisors, whose sum is σ = 112100201012222. Its totient is φ = 112100201012220.

The previous prime is 112100201012171. The next prime is 112100201012257. The reversal of 112100201012221 is 122210102001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109120482905625 + 2979718106596 = 10446075^2 + 1726186^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100201012221 - 2²⁷ = 112100066794493 is a prime.

It is a super-2 number, since 2×112100201012221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112100201012195 and 112100201012204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112100201012021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050100506110 + 56050100506111.

It is an arithmetic number, because the mean of its divisors is an integer number (56050100506111).

Almost surely, 2^{112100201012221} is an apocalyptic number.

It is an amenable number.

112100201012221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100201012221 is an equidigital number, since it uses as much as digits as its factorization.

112100201012221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112100201012221 its reverse (122210102001211), we get a palindrome (234310303013432).

The spelling of 112100201012221 in words is "one hundred twelve trillion, one hundred billion, two hundred one million, twelve thousand, two hundred twenty-one".