112012212221 has 32 divisors (see below), whose sum is σ = 141021511680. Its totient is φ = 86614266816.

The previous prime is 112012212187. The next prime is 112012212253. The reversal of 112012212221 is 122212210211.

It is not a de Polignac number, because 112012212221 - 2¹⁴ = 112012195837 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112012212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012212121) 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, 701990 + ... + 846648.

It is an arithmetic number, because the mean of its divisors is an integer number (4406922240).

Almost surely, 2^112012212221 is an apocalyptic number.

It is an amenable number.

112012212221 is a deficient number, since it is larger than the sum of its proper divisors (29009299459).

112012212221 is a wasteful number, since it uses less digits than its factorization.

112012212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144873.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112012212221 its reverse (122212210211), we get a palindrome (234224422432).

The spelling of 112012212221 in words is "one hundred twelve billion, twelve million, two hundred twelve thousand, two hundred twenty-one".