10111220219 has 2 divisors, whose sum is σ = 10111220220. Its totient is φ = 10111220218.

The previous prime is 10111220143. The next prime is 10111220239. The reversal of 10111220219 is 91202211101.

It is an a-pointer prime, because the next prime (10111220239) can be obtained adding 10111220219 to its sum of digits (20).

It is a strong prime.

It is an emirp because it is prime and its reverse (91202211101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111220219 is a prime.

It is a super-2 number, since 2×10111220219² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10111220219.

It is not a weakly prime, because it can be changed into another prime (10111220239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055610109 + 5055610110.

It is an arithmetic number, because the mean of its divisors is an integer number (5055610110).

Almost surely, 2^10111220219 is an apocalyptic number.

10111220219 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111220219 is an equidigital number, since it uses as much as digits as its factorization.

10111220219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 10111220219 in words is "ten billion, one hundred eleven million, two hundred twenty thousand, two hundred nineteen".