133211012111 has 2 divisors, whose sum is σ = 133211012112. Its totient is φ = 133211012110.

The previous prime is 133211012101. The next prime is 133211012131. The reversal of 133211012111 is 111210112331.

It is a weak prime.

It is an emirp because it is prime and its reverse (111210112331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133211012111 - 2²⁶ = 133143903247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133211012111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133211012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66605506055 + 66605506056.

It is an arithmetic number, because the mean of its divisors is an integer number (66605506056).

Almost surely, 2^133211012111 is an apocalyptic number.

133211012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

133211012111 is an equidigital number, since it uses as much as digits as its factorization.

133211012111 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 17.

Adding to 133211012111 its reverse (111210112331), we get a palindrome (244421124442).

The spelling of 133211012111 in words is "one hundred thirty-three billion, two hundred eleven million, twelve thousand, one hundred eleven".