112000022111221 has 4 divisors (see below), whose sum is σ = 113671664232352. Its totient is φ = 110328379990092.

The previous prime is 112000022111177. The next prime is 112000022111231. The reversal of 112000022111221 is 122111220000211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112000022111221 is a prime.

It is a super-3 number, since 3×112000022111221³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112000022111195 and 112000022111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112000022111231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835821060465 + ... + 835821060598.

It is an arithmetic number, because the mean of its divisors is an integer number (28417916058088).

Almost surely, 2^{112000022111221} is an apocalyptic number.

It is an amenable number.

112000022111221 is a deficient number, since it is larger than the sum of its proper divisors (1671642121131).

112000022111221 is an equidigital number, since it uses as much as digits as its factorization.

112000022111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671642121130.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112000022111221 its reverse (122111220000211), we get a palindrome (234111242111432).

The spelling of 112000022111221 in words is "one hundred twelve trillion, twenty-two million, one hundred eleven thousand, two hundred twenty-one".