211221112230113 has 8 divisors (see below), whose sum is σ = 212301094990368. Its totient is φ = 210143710075104.

The previous prime is 211221112230083. The next prime is 211221112230131. The reversal of 211221112230113 is 311032211122112.

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 211221112230113 - 2⁸ = 211221112229857 is a prime.

It is a super-2 number, since 2×211221112230113² (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 (211221112230133) 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, 644987195 + ... + 645314592.

It is an arithmetic number, because the mean of its divisors is an integer number (26537636873796).

Almost surely, 2^{211221112230113} is an apocalyptic number.

It is an amenable number.

211221112230113 is a deficient number, since it is larger than the sum of its proper divisors (1079982760255).

211221112230113 is a wasteful number, since it uses less digits than its factorization.

211221112230113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290302623.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 211221112230113 its reverse (311032211122112), we get a palindrome (522253323352225).

The spelling of 211221112230113 in words is "two hundred eleven trillion, two hundred twenty-one billion, one hundred twelve million, two hundred thirty thousand, one hundred thirteen".