211101320223 has 12 divisors (see below), whose sum is σ = 322860842928. Its totient is φ = 132455730240.

The previous prime is 211101320203. The next prime is 211101320231. The reversal of 211101320223 is 322023101112.

211101320223 is a `hidden beast` number, since 21 + 1 + 101 + 320 + 223 = 666.

It is not a de Polignac number, because 211101320223 - 2⁶ = 211101320159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211101320196 and 211101320205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211101320203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 689873443 + ... + 689873748.

It is an arithmetic number, because the mean of its divisors is an integer number (26905070244).

Almost surely, 2^211101320223 is an apocalyptic number.

211101320223 is a deficient number, since it is larger than the sum of its proper divisors (111759522705).

211101320223 is a wasteful number, since it uses less digits than its factorization.

211101320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379747214 (or 1379747211 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211101320223 its reverse (322023101112), we get a palindrome (533124421335).

The spelling of 211101320223 in words is "two hundred eleven billion, one hundred one million, three hundred twenty thousand, two hundred twenty-three".