112001212221 has 16 divisors (see below), whose sum is σ = 149902368000. Its totient is φ = 74383963200.

The previous prime is 112001212201. The next prime is 112001212231. The reversal of 112001212221 is 122212100211.

It is not a de Polignac number, because 112001212221 - 2⁶ = 112001212157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112001212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001212201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2393196 + ... + 2439546.

It is an arithmetic number, because the mean of its divisors is an integer number (9368898000).

Almost surely, 2^112001212221 is an apocalyptic number.

It is an amenable number.

112001212221 is a deficient number, since it is larger than the sum of its proper divisors (37901155779).

112001212221 is a wasteful number, since it uses less digits than its factorization.

112001212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49396.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112001212221 its reverse (122212100211), we get a palindrome (234213312432).

The spelling of 112001212221 in words is "one hundred twelve billion, one million, two hundred twelve thousand, two hundred twenty-one".