133020211111 has 2 divisors, whose sum is σ = 133020211112. Its totient is φ = 133020211110.

The previous prime is 133020211063. The next prime is 133020211141. The reversal of 133020211111 is 111112020331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133020211111 - 2¹³ = 133020202919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133020211141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66510105555 + 66510105556.

It is an arithmetic number, because the mean of its divisors is an integer number (66510105556).

Almost surely, 2^133020211111 is an apocalyptic number.

133020211111 is a deficient number, since it is larger than the sum of its proper divisors (1).

133020211111 is an equidigital number, since it uses as much as digits as its factorization.

133020211111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 133020211111 its reverse (111112020331), we get a palindrome (244132231442).

The spelling of 133020211111 in words is "one hundred thirty-three billion, twenty million, two hundred eleven thousand, one hundred eleven".