11203220219 has 2 divisors, whose sum is σ = 11203220220. Its totient is φ = 11203220218.

The previous prime is 11203220209. The next prime is 11203220227. The reversal of 11203220219 is 91202230211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11203220219 is a prime.

It is a super-2 number, since 2×11203220219² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11203220194 and 11203220203.

It is not a weakly prime, because it can be changed into another prime (11203220209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601610109 + 5601610110.

It is an arithmetic number, because the mean of its divisors is an integer number (5601610110).

Almost surely, 2^11203220219 is an apocalyptic number.

11203220219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203220219 is an equidigital number, since it uses as much as digits as its factorization.

11203220219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 11203220219 in words is "eleven billion, two hundred three million, two hundred twenty thousand, two hundred nineteen".