133220311323011 has 4 divisors (see below), whose sum is σ = 145331248716024. Its totient is φ = 121109373930000.

The previous prime is 133220311322993. The next prime is 133220311323023. The reversal of 133220311323011 is 110323113022331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133220311323011 - 2³⁴ = 133203131453827 is a prime.

It is a super-2 number, since 2×133220311323011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133220311323041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055468696490 + ... + 6055468696511.

It is an arithmetic number, because the mean of its divisors is an integer number (36332812179006).

Almost surely, 2^{133220311323011} is an apocalyptic number.

133220311323011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133220311323011 is a deficient number, since it is larger than the sum of its proper divisors (12110937393013).

133220311323011 is a wasteful number, since it uses less digits than its factorization.

133220311323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12110937393012.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 133220311323011 its reverse (110323113022331), we get a palindrome (243543424345342).

The spelling of 133220311323011 in words is "one hundred thirty-three trillion, two hundred twenty billion, three hundred eleven million, three hundred twenty-three thousand, eleven".