11201212133 has 8 divisors (see below), whose sum is σ = 11223986400. Its totient is φ = 11178456688.

The previous prime is 11201212117. The next prime is 11201212171. The reversal of 11201212133 is 33121210211.

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

It is a cyclic number.

It is not a de Polignac number, because 11201212133 - 2⁴ = 11201212117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201212193) 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, 1914110 + ... + 1919952.

It is an arithmetic number, because the mean of its divisors is an integer number (1402998300).

Almost surely, 2^11201212133 is an apocalyptic number.

It is an amenable number.

11201212133 is a deficient number, since it is larger than the sum of its proper divisors (22774267).

11201212133 is an equidigital number, since it uses as much as digits as its factorization.

11201212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11201212133 its reverse (33121210211), we get a palindrome (44322422344).

The spelling of 11201212133 in words is "eleven billion, two hundred one million, two hundred twelve thousand, one hundred thirty-three".