233133321021 has 8 divisors (see below), whose sum is σ = 310860465504. Its totient is φ = 155414195280.

The previous prime is 233133321017. The next prime is 233133321077. The reversal of 233133321021 is 120123331332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 233133321021 - 2² = 233133321017 is a prime.

It is a super-2 number, since 2×233133321021² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233133320982 and 233133321000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233133321011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936515 + ... + 2053376.

It is an arithmetic number, because the mean of its divisors is an integer number (38857558188).

Almost surely, 2^233133321021 is an apocalyptic number.

It is an amenable number.

233133321021 is a deficient number, since it is larger than the sum of its proper divisors (77727144483).

233133321021 is a wasteful number, since it uses less digits than its factorization.

233133321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009371.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 233133321021 its reverse (120123331332), we get a palindrome (353256652353).

The spelling of 233133321021 in words is "two hundred thirty-three billion, one hundred thirty-three million, three hundred twenty-one thousand, twenty-one".