11201212112203 has 4 divisors (see below), whose sum is σ = 11354653374088. Its totient is φ = 11047770850320.

The previous prime is 11201212112183. The next prime is 11201212112323. The reversal of 11201212112203 is 30221121210211.

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 11201212112203 - 2¹³ = 11201212104011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201212112903) 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, 76720630833 + ... + 76720630978.

It is an arithmetic number, because the mean of its divisors is an integer number (2838663343522).

Almost surely, 2^{11201212112203} is an apocalyptic number.

11201212112203 is a deficient number, since it is larger than the sum of its proper divisors (153441261885).

11201212112203 is an equidigital number, since it uses as much as digits as its factorization.

11201212112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153441261884.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11201212112203 its reverse (30221121210211), we get a palindrome (41422333322414).

The spelling of 11201212112203 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred twelve thousand, two hundred three".