1101230333221 has 2 divisors, whose sum is σ = 1101230333222. Its totient is φ = 1101230333220.

The previous prime is 1101230333213. The next prime is 1101230333239. The reversal of 1101230333221 is 1223330321011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879817736196 + 221412597025 = 937986^2 + 470545^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101230333221 - 2³ = 1101230333213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101230333192 and 1101230333201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101230336221) 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 as a sum of consecutive naturals, namely, 550615166610 + 550615166611.

It is an arithmetic number, because the mean of its divisors is an integer number (550615166611).

Almost surely, 2^{1101230333221} is an apocalyptic number.

It is an amenable number.

1101230333221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101230333221 is an equidigital number, since it uses as much as digits as its factorization.

1101230333221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1101230333221 its reverse (1223330321011), we get a palindrome (2324560654232).

The spelling of 1101230333221 in words is "one trillion, one hundred one billion, two hundred thirty million, three hundred thirty-three thousand, two hundred twenty-one".