221312032033 has 8 divisors (see below), whose sum is σ = 228881825280. Its totient is φ = 213861448320.

The previous prime is 221312032031. The next prime is 221312032043. The reversal of 221312032033 is 330230213122.

221312032033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221312032033 - 2¹ = 221312032031 is a prime.

It is a super-2 number, since 2×221312032033² (a number of 23 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 = 221312031995 and 221312032013.

It is not an unprimeable number, because it can be changed into a prime (221312032031) 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 7 ways as a sum of consecutive naturals, for example, 29798608 + ... + 29806033.

It is an arithmetic number, because the mean of its divisors is an integer number (28610228160).

Almost surely, 2^221312032033 is an apocalyptic number.

It is an amenable number.

221312032033 is a deficient number, since it is larger than the sum of its proper divisors (7569793247).

221312032033 is an equidigital number, since it uses as much as digits as its factorization.

221312032033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59604767.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221312032033 its reverse (330230213122), we get a palindrome (551542245155).

The spelling of 221312032033 in words is "two hundred twenty-one billion, three hundred twelve million, thirty-two thousand, thirty-three".