112201211020221 has 12 divisors (see below), whose sum is σ = 162068783701500. Its totient is φ = 74800637600640.

The previous prime is 112201211020169. The next prime is 112201211020229. The reversal of 112201211020221 is 122020112102211.

112201211020221 is a `hidden beast` number, since 1 + 1 + 220 + 121 + 102 + 0 + 221 = 666.

112201211020221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38477333060100 + 73723877960121 = 6203010^2 + 8586261^2 .

It is not a de Polignac number, because 112201211020221 - 2²⁵ = 112201177465789 is a prime.

It is a super-2 number, since 2×112201211020221² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112201211020194 and 112201211020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201211020229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9891900 + ... + 17951381.

It is an arithmetic number, because the mean of its divisors is an integer number (13505731975125).

Almost surely, 2^{112201211020221} is an apocalyptic number.

It is an amenable number.

112201211020221 is a deficient number, since it is larger than the sum of its proper divisors (49867572681279).

112201211020221 is a wasteful number, since it uses less digits than its factorization.

112201211020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28291036 (or 28291033 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112201211020221 its reverse (122020112102211), we get a palindrome (234221323122432).

The spelling of 112201211020221 in words is "one hundred twelve trillion, two hundred one billion, two hundred eleven million, twenty thousand, two hundred twenty-one".