1122331031221 has 8 divisors (see below), whose sum is σ = 1149673302144. Its totient is φ = 1095133047360.

The previous prime is 1122331031197. The next prime is 1122331031233. The reversal of 1122331031221 is 1221301332211.

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 1122331031221 - 2⁷ = 1122331031093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122331031192 and 1122331031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122331031821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36056020 + ... + 36087133.

It is an arithmetic number, because the mean of its divisors is an integer number (143709162768).

Almost surely, 2^{1122331031221} is an apocalyptic number.

It is an amenable number.

1122331031221 is a deficient number, since it is larger than the sum of its proper divisors (27342270923).

1122331031221 is an equidigital number, since it uses as much as digits as its factorization.

1122331031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72143531.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1122331031221 its reverse (1221301332211), we get a palindrome (2343632363432).

The spelling of 1122331031221 in words is "one trillion, one hundred twenty-two billion, three hundred thirty-one million, thirty-one thousand, two hundred twenty-one".