11201021269 has 2 divisors, whose sum is σ = 11201021270. Its totient is φ = 11201021268.

The previous prime is 11201021213. The next prime is 11201021291. The reversal of 11201021269 is 96212010211.

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., 6958062225 + 4242959044 = 83415^2 + 65138^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201021269 - 2⁹ = 11201020757 is a prime.

It is a super-2 number, since 2×11201021269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201001269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600510634 + 5600510635.

It is an arithmetic number, because the mean of its divisors is an integer number (5600510635).

Almost surely, 2^11201021269 is an apocalyptic number.

It is an amenable number.

11201021269 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201021269 is an equidigital number, since it uses as much as digits as its factorization.

11201021269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 11201021269 in words is "eleven billion, two hundred one million, twenty-one thousand, two hundred sixty-nine".