233020133111 has 4 divisors (see below), whose sum is σ = 233175585000. Its totient is φ = 232864681224.

The previous prime is 233020133107. The next prime is 233020133141. The reversal of 233020133111 is 111331020332.

233020133111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 233020133111 - 2² = 233020133107 is a prime.

It is a super-3 number, since 3×233020133111³ (a number of 35 digits) contains 333 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 (233020133141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77723696 + ... + 77726693.

It is an arithmetic number, because the mean of its divisors is an integer number (58293896250).

Almost surely, 2^233020133111 is an apocalyptic number.

233020133111 is a deficient number, since it is larger than the sum of its proper divisors (155451889).

233020133111 is a wasteful number, since it uses less digits than its factorization.

233020133111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155451888.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 233020133111 its reverse (111331020332), we get a palindrome (344351153443).

The spelling of 233020133111 in words is "two hundred thirty-three billion, twenty million, one hundred thirty-three thousand, one hundred eleven".