233120221002 has 24 divisors (see below), whose sum is σ = 507318903936. Its totient is φ = 77364418536.

The previous prime is 233120221001. The next prime is 233120221007. The reversal of 233120221002 is 200122021332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (233120221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28522618 + ... + 28530789.

It is an arithmetic number, because the mean of its divisors is an integer number (21138287664).

Almost surely, 2^233120221002 is an apocalyptic number.

233120221002 is an abundant number, since it is smaller than the sum of its proper divisors (274198682934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233120221002 is a wasteful number, since it uses less digits than its factorization.

233120221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57053642 (or 57053639 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 233120221002 its reverse (200122021332), we get a palindrome (433242242334).

The spelling of 233120221002 in words is "two hundred thirty-three billion, one hundred twenty million, two hundred twenty-one thousand, two".