133320021011 has 2 divisors, whose sum is σ = 133320021012. Its totient is φ = 133320021010.

The previous prime is 133320021001. The next prime is 133320021013. The reversal of 133320021011 is 110120023331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133320021011 is a prime.

Together with 133320021013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133320021013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66660010505 + 66660010506.

It is an arithmetic number, because the mean of its divisors is an integer number (66660010506).

Almost surely, 2^133320021011 is an apocalyptic number.

133320021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

133320021011 is an equidigital number, since it uses as much as digits as its factorization.

133320021011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 133320021011 its reverse (110120023331), we get a palindrome (243440044342).

The spelling of 133320021011 in words is "one hundred thirty-three billion, three hundred twenty million, twenty-one thousand, eleven".