201220223167 has 2 divisors, whose sum is σ = 201220223168. Its totient is φ = 201220223166.

The previous prime is 201220223153. The next prime is 201220223201. The reversal of 201220223167 is 761322022102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201220223167 - 2¹⁹ = 201219698879 is a prime.

It is a super-2 number, since 2×201220223167² (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 (201220223147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610111583 + 100610111584.

It is an arithmetic number, because the mean of its divisors is an integer number (100610111584).

Almost surely, 2^201220223167 is an apocalyptic number.

201220223167 is a deficient number, since it is larger than the sum of its proper divisors (1).

201220223167 is an equidigital number, since it uses as much as digits as its factorization.

201220223167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 201220223167 its reverse (761322022102), we get a palindrome (962542245269).

The spelling of 201220223167 in words is "two hundred one billion, two hundred twenty million, two hundred twenty-three thousand, one hundred sixty-seven".