211223002230269 has 2 divisors, whose sum is σ = 211223002230270. Its totient is φ = 211223002230268.

The previous prime is 211223002230211. The next prime is 211223002230307. The reversal of 211223002230269 is 962032200322112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166806575591044 + 44416426639225 = 12915362^2 + 6664565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211223002230269 is a prime.

It is a super-2 number, since 2×211223002230269² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211223002230469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611501115134 + 105611501115135.

It is an arithmetic number, because the mean of its divisors is an integer number (105611501115135).

Almost surely, 2^{211223002230269} is an apocalyptic number.

It is an amenable number.

211223002230269 is a deficient number, since it is larger than the sum of its proper divisors (1).

211223002230269 is an equidigital number, since it uses as much as digits as its factorization.

211223002230269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 211223002230269 in words is "two hundred eleven trillion, two hundred twenty-three billion, two million, two hundred thirty thousand, two hundred sixty-nine".