210111210223 has 2 divisors, whose sum is σ = 210111210224. Its totient is φ = 210111210222.

The previous prime is 210111210181. The next prime is 210111210251. The reversal of 210111210223 is 322012111012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210111210223 - 2²⁵ = 210077655791 is a prime.

It is a super-2 number, since 2×210111210223² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210111210197 and 210111210206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210121210223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105055605111 + 105055605112.

It is an arithmetic number, because the mean of its divisors is an integer number (105055605112).

Almost surely, 2^210111210223 is an apocalyptic number.

210111210223 is a deficient number, since it is larger than the sum of its proper divisors (1).

210111210223 is an equidigital number, since it uses as much as digits as its factorization.

210111210223 is an evil number, because the sum of its binary digits is even.

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

Adding to 210111210223 its reverse (322012111012), we get a palindrome (532123321235).

The spelling of 210111210223 in words is "two hundred ten billion, one hundred eleven million, two hundred ten thousand, two hundred twenty-three".