11101210203 has 4 divisors (see below), whose sum is σ = 14801613608. Its totient is φ = 7400806800.

The previous prime is 11101210187. The next prime is 11101210213. The reversal of 11101210203 is 30201210111.

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

It is not a de Polignac number, because 11101210203 - 2⁴ = 11101210187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101210213) 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, 1850201698 + ... + 1850201703.

It is an arithmetic number, because the mean of its divisors is an integer number (3700403402).

Almost surely, 2^11101210203 is an apocalyptic number.

11101210203 is a deficient number, since it is larger than the sum of its proper divisors (3700403405).

11101210203 is an equidigital number, since it uses as much as digits as its factorization.

11101210203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700403404.

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

Adding to 11101210203 its reverse (30201210111), we get a palindrome (41302420314).

The spelling of 11101210203 in words is "eleven billion, one hundred one million, two hundred ten thousand, two hundred three".