112002021111221 has 8 divisors (see below), whose sum is σ = 119495645337024. Its totient is φ = 104608982445760.

The previous prime is 112002021111157. The next prime is 112002021111251. The reversal of 112002021111221 is 122111120200211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112002021111221 - 2⁶ = 112002021111157 is a prime.

It is a super-2 number, since 2×112002021111221² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112002021111221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002021111251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25146387785 + ... + 25146392238.

It is an arithmetic number, because the mean of its divisors is an integer number (14936955667128).

Almost surely, 2^{112002021111221} is an apocalyptic number.

It is an amenable number.

112002021111221 is a deficient number, since it is larger than the sum of its proper divisors (7493624225803).

112002021111221 is a wasteful number, since it uses less digits than its factorization.

112002021111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50292780171.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112002021111221 its reverse (122111120200211), we get a palindrome (234113141311432).

The spelling of 112002021111221 in words is "one hundred twelve trillion, two billion, twenty-one million, one hundred eleven thousand, two hundred twenty-one".