133202101091021 has 2 divisors, whose sum is σ = 133202101091022. Its totient is φ = 133202101091020.

The previous prime is 133202101090999. The next prime is 133202101091047. The reversal of 133202101091021 is 120190101202331.

It is an a-pointer prime, because the next prime (133202101091047) can be obtained adding 133202101091021 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110034099801796 + 23168001289225 = 10489714^2 + 4813315^2 .

It is an emirp because it is prime and its reverse (120190101202331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133202101091021 - 2²² = 133202096896717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133202101091821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66601050545510 + 66601050545511.

It is an arithmetic number, because the mean of its divisors is an integer number (66601050545511).

Almost surely, 2^{133202101091021} is an apocalyptic number.

It is an amenable number.

133202101091021 is a deficient number, since it is larger than the sum of its proper divisors (1).

133202101091021 is an equidigital number, since it uses as much as digits as its factorization.

133202101091021 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 26.

Adding to 133202101091021 its reverse (120190101202331), we get a palindrome (253392202293352).

The spelling of 133202101091021 in words is "one hundred thirty-three trillion, two hundred two billion, one hundred one million, ninety-one thousand, twenty-one".