211223132111219 has 2 divisors, whose sum is σ = 211223132111220. Its totient is φ = 211223132111218.

The previous prime is 211223132111177. The next prime is 211223132111309. The reversal of 211223132111219 is 912111231322112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211223132111219 - 2⁴⁰ = 210123620483443 is a prime.

It is a super-2 number, since 2×211223132111219² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (211223132161219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611566055609 + 105611566055610.

It is an arithmetic number, because the mean of its divisors is an integer number (105611566055610).

Almost surely, 2^{211223132111219} is an apocalyptic number.

211223132111219 is a deficient number, since it is larger than the sum of its proper divisors (1).

211223132111219 is an equidigital number, since it uses as much as digits as its factorization.

211223132111219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 32.

The spelling of 211223132111219 in words is "two hundred eleven trillion, two hundred twenty-three billion, one hundred thirty-two million, one hundred eleven thousand, two hundred nineteen".