133033121111 has 16 divisors (see below), whose sum is σ = 149664564000. Its totient is φ = 117197529600.

The previous prime is 133033121069. The next prime is 133033121141. The reversal of 133033121111 is 111121330331.

It is a cyclic number.

It is not a de Polignac number, because 133033121111 - 2¹⁴ = 133033104727 is a prime.

It is a super-2 number, since 2×133033121111² (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 (133033121141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922646 + ... + 1057043.

It is an arithmetic number, because the mean of its divisors is an integer number (9354035250).

Almost surely, 2^133033121111 is an apocalyptic number.

133033121111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133033121111 is a deficient number, since it is larger than the sum of its proper divisors (16631442889).

133033121111 is a wasteful number, since it uses less digits than its factorization.

133033121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979890.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 133033121111 its reverse (111121330331), we get a palindrome (244154451442).

The spelling of 133033121111 in words is "one hundred thirty-three billion, thirty-three million, one hundred twenty-one thousand, one hundred eleven".