11110020203 has 4 divisors (see below), whose sum is σ = 11142987960. Its totient is φ = 11077052448.

The previous prime is 11110020197. The next prime is 11110020239. The reversal of 11110020203 is 30202001111.

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

It is a cyclic number.

It is not a de Polignac number, because 11110020203 - 2¹⁴ = 11110003819 is a prime.

It is a super-2 number, since 2×11110020203² (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 (11110020253) 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, 16483373 + ... + 16484046.

It is an arithmetic number, because the mean of its divisors is an integer number (2785746990).

Almost surely, 2^11110020203 is an apocalyptic number.

11110020203 is a deficient number, since it is larger than the sum of its proper divisors (32967757).

11110020203 is an equidigital number, since it uses as much as digits as its factorization.

11110020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32967756.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11110020203 its reverse (30202001111), we get a palindrome (41312021314).

The spelling of 11110020203 in words is "eleven billion, one hundred ten million, twenty thousand, two hundred three".