112222021001221 has 8 divisors (see below), whose sum is σ = 125077175110080. Its totient is φ = 100061740087488.

The previous prime is 112222021001179. The next prime is 112222021001243. The reversal of 112222021001221 is 122100120222211.

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 112222021001221 - 2¹¹ = 112222020999173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222021001621) 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, 173718298441 + ... + 173718299086.

It is an arithmetic number, because the mean of its divisors is an integer number (15634646888760).

Almost surely, 2^{112222021001221} is an apocalyptic number.

It is an amenable number.

112222021001221 is a deficient number, since it is larger than the sum of its proper divisors (12855154108859).

112222021001221 is a wasteful number, since it uses less digits than its factorization.

112222021001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347436597563.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112222021001221 its reverse (122100120222211), we get a palindrome (234322141223432).

The spelling of 112222021001221 in words is "one hundred twelve trillion, two hundred twenty-two billion, twenty-one million, one thousand, two hundred twenty-one".