211220232230233 has 8 divisors (see below), whose sum is σ = 222789911591520. Its totient is φ = 199695835372320.

The previous prime is 211220232230219. The next prime is 211220232230261. The reversal of 211220232230233 is 332032232022112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211220232230233 is a prime.

It is a super-2 number, since 2×211220232230233² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211220232230213) 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, 11320616260 + ... + 11320634917.

It is an arithmetic number, because the mean of its divisors is an integer number (27848738948940).

Almost surely, 2^{211220232230233} is an apocalyptic number.

It is an amenable number.

211220232230233 is a deficient number, since it is larger than the sum of its proper divisors (11569679361287).

211220232230233 is a wasteful number, since it uses less digits than its factorization.

211220232230233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22641251687.

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

Adding to 211220232230233 its reverse (332032232022112), we get a palindrome (543252464252345).

The spelling of 211220232230233 in words is "two hundred eleven trillion, two hundred twenty billion, two hundred thirty-two million, two hundred thirty thousand, two hundred thirty-three".