233000011021 has 4 divisors (see below), whose sum is σ = 237957458112. Its totient is φ = 228042563932.

The previous prime is 233000011007. The next prime is 233000011043. The reversal of 233000011021 is 120110000332.

233000011021 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233000011021 - 2⁵ = 233000010989 is a prime.

It is a super-2 number, since 2×233000011021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233000010992 and 233000011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233100011021) 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, 2478723475 + ... + 2478723568.

It is an arithmetic number, because the mean of its divisors is an integer number (59489364528).

Almost surely, 2^233000011021 is an apocalyptic number.

It is an amenable number.

233000011021 is a deficient number, since it is larger than the sum of its proper divisors (4957447091).

233000011021 is an equidigital number, since it uses as much as digits as its factorization.

233000011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957447090.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 233000011021 its reverse (120110000332), we get a palindrome (353110011353).

The spelling of 233000011021 in words is "two hundred thirty-three billion, eleven thousand, twenty-one".