133311104111 has 4 divisors (see below), whose sum is σ = 133352936952. Its totient is φ = 133269271272.

The previous prime is 133311104077. The next prime is 133311104117. The reversal of 133311104111 is 111401113331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133311104111 is a prime.

It is a super-2 number, since 2×133311104111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133311104117) 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, 20911640 + ... + 20918013.

It is an arithmetic number, because the mean of its divisors is an integer number (33338234238).

Almost surely, 2^133311104111 is an apocalyptic number.

133311104111 is a deficient number, since it is larger than the sum of its proper divisors (41832841).

133311104111 is an equidigital number, since it uses as much as digits as its factorization.

133311104111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41832840.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 133311104111 its reverse (111401113331), we get a palindrome (244712217442).

The spelling of 133311104111 in words is "one hundred thirty-three billion, three hundred eleven million, one hundred four thousand, one hundred eleven".