201123103111219 has 2 divisors, whose sum is σ = 201123103111220. Its totient is φ = 201123103111218.

The previous prime is 201123103111207. The next prime is 201123103111277. The reversal of 201123103111219 is 912111301321102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201123103111219 - 2⁹ = 201123103110707 is a prime.

It is a super-2 number, since 2×201123103111219² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201123103115219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561551555609 + 100561551555610.

It is an arithmetic number, because the mean of its divisors is an integer number (100561551555610).

Almost surely, 2^{201123103111219} is an apocalyptic number.

201123103111219 is a deficient number, since it is larger than the sum of its proper divisors (1).

201123103111219 is an equidigital number, since it uses as much as digits as its factorization.

201123103111219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 201123103111219 in words is "two hundred one trillion, one hundred twenty-three billion, one hundred three million, one hundred eleven thousand, two hundred nineteen".