211201101223 has 16 divisors (see below), whose sum is σ = 244306702080. Its totient is φ = 178829467776.

The previous prime is 211201101127. The next prime is 211201101233. The reversal of 211201101223 is 322101102112.

It is a cyclic number.

It is not a de Polignac number, because 211201101223 - 2³³ = 202611166631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211201101197 and 211201101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211201101233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9533023 + ... + 9555151.

It is an arithmetic number, because the mean of its divisors is an integer number (15269168880).

Almost surely, 2^211201101223 is an apocalyptic number.

211201101223 is a deficient number, since it is larger than the sum of its proper divisors (33105600857).

211201101223 is a wasteful number, since it uses less digits than its factorization.

211201101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38646.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211201101223 its reverse (322101102112), we get a palindrome (533302203335).

The spelling of 211201101223 in words is "two hundred eleven billion, two hundred one million, one hundred one thousand, two hundred twenty-three".