210333002111221 has 32 divisors (see below), whose sum is σ = 233346537676800. Its totient is φ = 187988879158080.

The previous prime is 210333002111189. The next prime is 210333002111227. The reversal of 210333002111221 is 122111200333012.

It is not a de Polignac number, because 210333002111221 - 2⁵ = 210333002111189 is a prime.

It is a super-2 number, since 2×210333002111221² (a number of 29 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 = 210333002111192 and 210333002111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210333002111227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4583094351 + ... + 4583140243.

It is an arithmetic number, because the mean of its divisors is an integer number (7292079302400).

Almost surely, 2^{210333002111221} is an apocalyptic number.

It is an amenable number.

210333002111221 is a deficient number, since it is larger than the sum of its proper divisors (23013535565579).

210333002111221 is a wasteful number, since it uses less digits than its factorization.

210333002111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68289.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 210333002111221 its reverse (122111200333012), we get a palindrome (332444202444233).

The spelling of 210333002111221 in words is "two hundred ten trillion, three hundred thirty-three billion, two million, one hundred eleven thousand, two hundred twenty-one".