11211133201 has 2 divisors, whose sum is σ = 11211133202. Its totient is φ = 11211133200.

The previous prime is 11211133187. The next prime is 11211133211. The reversal of 11211133201 is 10233111211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8125219600 + 3085913601 = 90140^2 + 55551^2 .

It is an emirp because it is prime and its reverse (10233111211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11211133201 - 2²¹ = 11209036049 is a prime.

It is not a weakly prime, because it can be changed into another prime (11211133211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605566600 + 5605566601.

It is an arithmetic number, because the mean of its divisors is an integer number (5605566601).

Almost surely, 2^11211133201 is an apocalyptic number.

It is an amenable number.

11211133201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211133201 is an equidigital number, since it uses as much as digits as its factorization.

11211133201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11211133201 its reverse (10233111211), we get a palindrome (21444244412).

The spelling of 11211133201 in words is "eleven billion, two hundred eleven million, one hundred thirty-three thousand, two hundred one".