11222220203 has 4 divisors (see below), whose sum is σ = 11406191088. Its totient is φ = 11038249320.

The previous prime is 11222220197. The next prime is 11222220209. The reversal of 11222220203 is 30202222211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11222220197) and next prime (11222220209).

It is a cyclic number.

It is not a de Polignac number, because 11222220203 - 2¹⁴ = 11222203819 is a prime.

It is a super-2 number, since 2×11222220203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222220209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91985351 + ... + 91985472.

It is an arithmetic number, because the mean of its divisors is an integer number (2851547772).

Almost surely, 2^11222220203 is an apocalyptic number.

11222220203 is a deficient number, since it is larger than the sum of its proper divisors (183970885).

11222220203 is an equidigital number, since it uses as much as digits as its factorization.

11222220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183970884.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 11222220203 its reverse (30202222211), we get a palindrome (41424442414).

The spelling of 11222220203 in words is "eleven billion, two hundred twenty-two million, two hundred twenty thousand, two hundred three".