1120323021221 has 2 divisors, whose sum is σ = 1120323021222. Its totient is φ = 1120323021220.

The previous prime is 1120323021119. The next prime is 1120323021329. The reversal of 1120323021221 is 1221203230211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1116215493121 + 4107528100 = 1056511^2 + 64090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120323021221 - 2¹⁰ = 1120323020197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120323021193 and 1120323021202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120323021421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560161510610 + 560161510611.

It is an arithmetic number, because the mean of its divisors is an integer number (560161510611).

Almost surely, 2^{1120323021221} is an apocalyptic number.

It is an amenable number.

1120323021221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120323021221 is an equidigital number, since it uses as much as digits as its factorization.

1120323021221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1120323021221 its reverse (1221203230211), we get a palindrome (2341526251432).

The spelling of 1120323021221 in words is "one trillion, one hundred twenty billion, three hundred twenty-three million, twenty-one thousand, two hundred twenty-one".