202110121223 has 2 divisors, whose sum is σ = 202110121224. Its totient is φ = 202110121222.

The previous prime is 202110121217. The next prime is 202110121259. The reversal of 202110121223 is 322121011202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202110121223 - 2¹⁴ = 202110104839 is a prime.

It is a super-2 number, since 2×202110121223² (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 (202110121123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055060611 + 101055060612.

It is an arithmetic number, because the mean of its divisors is an integer number (101055060612).

Almost surely, 2^202110121223 is an apocalyptic number.

202110121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

202110121223 is an equidigital number, since it uses as much as digits as its factorization.

202110121223 is an odious number, because the sum of its binary digits is odd.

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

Adding to 202110121223 its reverse (322121011202), we get a palindrome (524231132425).

The spelling of 202110121223 in words is "two hundred two billion, one hundred ten million, one hundred twenty-one thousand, two hundred twenty-three".