112210100202121 has 2 divisors, whose sum is σ = 112210100202122. Its totient is φ = 112210100202120.

The previous prime is 112210100202089. The next prime is 112210100202157. The reversal of 112210100202121 is 121202001012211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106359289068096 + 5850811134025 = 10313064^2 + 2418845^2 .

It is a cyclic number.

It is not a de Polignac number, because 112210100202121 - 2⁵ = 112210100202089 is a prime.

It is a super-2 number, since 2×112210100202121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112210100202095 and 112210100202104.

It is not a weakly prime, because it can be changed into another prime (112210100202181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105050101060 + 56105050101061.

It is an arithmetic number, because the mean of its divisors is an integer number (56105050101061).

Almost surely, 2^{112210100202121} is an apocalyptic number.

It is an amenable number.

112210100202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112210100202121 is an equidigital number, since it uses as much as digits as its factorization.

112210100202121 is an odious number, because the sum of its binary digits is odd.

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

Adding to 112210100202121 its reverse (121202001012211), we get a palindrome (233412101214332).

The spelling of 112210100202121 in words is "one hundred twelve trillion, two hundred ten billion, one hundred million, two hundred two thousand, one hundred twenty-one".