112101223137221 has 2 divisors, whose sum is σ = 112101223137222. Its totient is φ = 112101223137220.

The previous prime is 112101223137139. The next prime is 112101223137227. The reversal of 112101223137221 is 122731322101211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73893124324321 + 38208098812900 = 8596111^2 + 6181270^2 .

It is a cyclic number.

It is not a de Polignac number, because 112101223137221 - 2³⁴ = 112084043268037 is a prime.

It is a super-2 number, since 2×112101223137221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112101223137227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050611568610 + 56050611568611.

It is an arithmetic number, because the mean of its divisors is an integer number (56050611568611).

Almost surely, 2^{112101223137221} is an apocalyptic number.

It is an amenable number.

112101223137221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112101223137221 is an equidigital number, since it uses as much as digits as its factorization.

112101223137221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 112101223137221 its reverse (122731322101211), we get a palindrome (234832545238432).

The spelling of 112101223137221 in words is "one hundred twelve trillion, one hundred one billion, two hundred twenty-three million, one hundred thirty-seven thousand, two hundred twenty-one".