1133213102221 has 2 divisors, whose sum is σ = 1133213102222. Its totient is φ = 1133213102220.

The previous prime is 1133213102213. The next prime is 1133213102279. The reversal of 1133213102221 is 1222013123311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 942122596900 + 191090505321 = 970630^2 + 437139^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133213102221 - 2³ = 1133213102213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1133213102192 and 1133213102201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133213105221) 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 as a sum of consecutive naturals, namely, 566606551110 + 566606551111.

It is an arithmetic number, because the mean of its divisors is an integer number (566606551111).

Almost surely, 2^{1133213102221} is an apocalyptic number.

It is an amenable number.

1133213102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133213102221 is an equidigital number, since it uses as much as digits as its factorization.

1133213102221 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1133213102221 its reverse (1222013123311), we get a palindrome (2355226225532).

The spelling of 1133213102221 in words is "one trillion, one hundred thirty-three billion, two hundred thirteen million, one hundred two thousand, two hundred twenty-one".