1112201210221 has 16 divisors (see below), whose sum is σ = 1136016921600. Its totient is φ = 1088618065920.

The previous prime is 1112201210209. The next prime is 1112201210231. The reversal of 1112201210221 is 1220121022111.

It is a cyclic number.

It is not a de Polignac number, because 1112201210221 - 2⁷ = 1112201210093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112201210195 and 1112201210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112201210231) 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, 7173300 + ... + 7326706.

It is an arithmetic number, because the mean of its divisors is an integer number (71001057600).

Almost surely, 2^{1112201210221} is an apocalyptic number.

It is an amenable number.

1112201210221 is a deficient number, since it is larger than the sum of its proper divisors (23815711379).

1112201210221 is a wasteful number, since it uses less digits than its factorization.

1112201210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154164.

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

Adding to 1112201210221 its reverse (1220121022111), we get a palindrome (2332322232332).

It can be divided in two parts, 11 and 12201210221, that multiplied together give a palindrome (134213312431).

The spelling of 1112201210221 in words is "one trillion, one hundred twelve billion, two hundred one million, two hundred ten thousand, two hundred twenty-one".