112111022111221 has 8 divisors (see below), whose sum is σ = 128172691116800. Its totient is φ = 96060805281648.

The previous prime is 112111022111117. The next prime is 112111022111237. The reversal of 112111022111221 is 122111220111211.

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 112111022111221 - 2¹⁷ = 112111021980149 is a prime.

It is a super-2 number, since 2×112111022111221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111022111521) 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, 2863023021 + ... + 2863062178.

It is an arithmetic number, because the mean of its divisors is an integer number (16021586389600).

Almost surely, 2^{112111022111221} is an apocalyptic number.

It is an amenable number.

112111022111221 is a deficient number, since it is larger than the sum of its proper divisors (16061669005579).

112111022111221 is an equidigital number, since it uses as much as digits as its factorization.

112111022111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726088003.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112111022111221 its reverse (122111220111211), we get a palindrome (234222242222432).

The spelling of 112111022111221 in words is "one hundred twelve trillion, one hundred eleven billion, twenty-two million, one hundred eleven thousand, two hundred twenty-one".