233333012221 has 8 divisors (see below), whose sum is σ = 234483971904. Its totient is φ = 232183331040.

The previous prime is 233333012197. The next prime is 233333012249. The reversal of 233333012221 is 122210333332.

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

It is a cyclic number.

It is not a de Polignac number, because 233333012221 - 2¹³ = 233333004029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233333072221) 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, 47320 + ... + 684766.

It is an arithmetic number, because the mean of its divisors is an integer number (29310496488).

Almost surely, 2^233333012221 is an apocalyptic number.

It is an amenable number.

233333012221 is a deficient number, since it is larger than the sum of its proper divisors (1150959683).

233333012221 is a wasteful number, since it uses less digits than its factorization.

233333012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639251.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 233333012221 its reverse (122210333332), we get a palindrome (355543345553).

The spelling of 233333012221 in words is "two hundred thirty-three billion, three hundred thirty-three million, twelve thousand, two hundred twenty-one".