211220430223303 has 8 divisors (see below), whose sum is σ = 212478991261280. Its totient is φ = 209964792673440.

The previous prime is 211220430223289. The next prime is 211220430223351. The reversal of 211220430223303 is 303322034022112.

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 211220430223303 - 2⁴⁵ = 176036058134471 is a prime.

It is a super-2 number, since 2×211220430223303² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211220430223373) 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, 730727100 + ... + 731016097.

It is an arithmetic number, because the mean of its divisors is an integer number (26559873907660).

Almost surely, 2^{211220430223303} is an apocalyptic number.

211220430223303 is a deficient number, since it is larger than the sum of its proper divisors (1258561037977).

211220430223303 is a wasteful number, since it uses less digits than its factorization.

211220430223303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461744057.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 211220430223303 its reverse (303322034022112), we get a palindrome (514542464245415).

The spelling of 211220430223303 in words is "two hundred eleven trillion, two hundred twenty billion, four hundred thirty million, two hundred twenty-three thousand, three hundred three".