200111211223 has 24 divisors (see below), whose sum is σ = 266166413856. Its totient is φ = 146758402560.

The previous prime is 200111211217. The next prime is 200111211227. The reversal of 200111211223 is 322112111002.

It is not a de Polignac number, because 200111211223 - 2¹⁷ = 200111080151 is a prime.

It is a super-2 number, since 2×200111211223² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200111211197 and 200111211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200111211227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6934390 + ... + 6963187.

It is an arithmetic number, because the mean of its divisors is an integer number (11090267244).

Almost surely, 2^200111211223 is an apocalyptic number.

200111211223 is a deficient number, since it is larger than the sum of its proper divisors (66055202633).

200111211223 is a wasteful number, since it uses less digits than its factorization.

200111211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13897623 (or 13897612 counting only the distinct ones).

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

Adding to 200111211223 its reverse (322112111002), we get a palindrome (522223322225).

The spelling of 200111211223 in words is "two hundred billion, one hundred eleven million, two hundred eleven thousand, two hundred twenty-three".