1120111201221 has 8 divisors (see below), whose sum is σ = 1493493982944. Its totient is φ = 746734610160.

The previous prime is 1120111201211. The next prime is 1120111201243. The reversal of 1120111201221 is 1221021110211.

It is a happy number.

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

It is not a de Polignac number, because 1120111201221 - 2⁵ = 1120111201189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120111201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120111201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107606 + ... + 1861991.

It is an arithmetic number, because the mean of its divisors is an integer number (186686747868).

Almost surely, 2^{1120111201221} is an apocalyptic number.

It is an amenable number.

1120111201221 is a deficient number, since it is larger than the sum of its proper divisors (373382781723).

1120111201221 is a wasteful number, since it uses less digits than its factorization.

1120111201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095331.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1120111201221 its reverse (1221021110211), we get a palindrome (2341132311432).

The spelling of 1120111201221 in words is "one trillion, one hundred twenty billion, one hundred eleven million, two hundred one thousand, two hundred twenty-one".