112211121010221 has 32 divisors (see below), whose sum is σ = 171052260157440. Its totient is φ = 72669260664000.

The previous prime is 112211121010211. The next prime is 112211121010229. The reversal of 112211121010221 is 122010121112211.

It is a happy number.

112211121010221 is a `hidden beast` number, since 1 + 1 + 221 + 1 + 1 + 210 + 10 + 221 = 666.

It is not a de Polignac number, because 112211121010221 - 2⁹ = 112211121009709 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112211121010194 and 112211121010203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211121010229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388045965 + ... + 388335026.

It is an arithmetic number, because the mean of its divisors is an integer number (5345383129920).

Almost surely, 2^{112211121010221} is an apocalyptic number.

It is an amenable number.

112211121010221 is a deficient number, since it is larger than the sum of its proper divisors (58841139147219).

112211121010221 is a wasteful number, since it uses less digits than its factorization.

112211121010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776381154 (or 776381148 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112211121010221 its reverse (122010121112211), we get a palindrome (234221242122432).

The spelling of 112211121010221 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred twenty-one million, ten thousand, two hundred twenty-one".