1133213332021 has 2 divisors, whose sum is σ = 1133213332022. Its totient is φ = 1133213332020.

The previous prime is 1133213331967. The next prime is 1133213332093. The reversal of 1133213332021 is 1202333123311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1133000580625 + 212751396 = 1064425^2 + 14586^2 .

It is an emirp because it is prime and its reverse (1202333123311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1133213332021 - 2²³ = 1133204943413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133213332721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566606666010 + 566606666011.

It is an arithmetic number, because the mean of its divisors is an integer number (566606666011).

Almost surely, 2^{1133213332021} is an apocalyptic number.

It is an amenable number.

1133213332021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133213332021 is an equidigital number, since it uses as much as digits as its factorization.

1133213332021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1133213332021 its reverse (1202333123311), we get a palindrome (2335546455332).

The spelling of 1133213332021 in words is "one trillion, one hundred thirty-three billion, two hundred thirteen million, three hundred thirty-two thousand, twenty-one".