202111012223 has 2 divisors, whose sum is σ = 202111012224. Its totient is φ = 202111012222.

The previous prime is 202111012189. The next prime is 202111012247. The reversal of 202111012223 is 322210111202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202111012223 - 2¹⁰ = 202111011199 is a prime.

It is a super-2 number, since 2×202111012223² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202111012423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055506111 + 101055506112.

It is an arithmetic number, because the mean of its divisors is an integer number (101055506112).

Almost surely, 2^202111012223 is an apocalyptic number.

202111012223 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111012223 is an equidigital number, since it uses as much as digits as its factorization.

202111012223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202111012223 its reverse (322210111202), we get a palindrome (524321123425).

The spelling of 202111012223 in words is "two hundred two billion, one hundred eleven million, twelve thousand, two hundred twenty-three".