11211110203 has 8 divisors (see below), whose sum is σ = 11794273200. Its totient is φ = 10641052128.

The previous prime is 11211110161. The next prime is 11211110263. The reversal of 11211110203 is 30201111211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11211110203 - 2¹³ = 11211102011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211110263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3274476 + ... + 3277897.

It is an arithmetic number, because the mean of its divisors is an integer number (1474284150).

Almost surely, 2^11211110203 is an apocalyptic number.

11211110203 is a deficient number, since it is larger than the sum of its proper divisors (583162997).

11211110203 is an equidigital number, since it uses as much as digits as its factorization.

11211110203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552461.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11211110203 its reverse (30201111211), we get a palindrome (41412221414).

The spelling of 11211110203 in words is "eleven billion, two hundred eleven million, one hundred ten thousand, two hundred three".