112012211020221 has 12 divisors (see below), whose sum is σ = 163744758279648. Its totient is φ = 73775110872264.

The previous prime is 112012211020217. The next prime is 112012211020223. The reversal of 112012211020221 is 122020112210211.

112012211020221 is a `hidden beast` number, since 1 + 1 + 201 + 221 + 1 + 0 + 20 + 221 = 666.

It is not a de Polignac number, because 112012211020221 - 2² = 112012211020217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112012211020194 and 112012211020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012211020223) 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, 74974705425 + ... + 74974706918.

It is an arithmetic number, because the mean of its divisors is an integer number (13645396523304).

Almost surely, 2^{112012211020221} is an apocalyptic number.

It is an amenable number.

112012211020221 is a deficient number, since it is larger than the sum of its proper divisors (51732547259427).

112012211020221 is a wasteful number, since it uses less digits than its factorization.

112012211020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149949412432 (or 149949412429 counting only the distinct ones).

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

Adding to 112012211020221 its reverse (122020112210211), we get a palindrome (234032323230432).

The spelling of 112012211020221 in words is "one hundred twelve trillion, twelve billion, two hundred eleven million, twenty thousand, two hundred twenty-one".