11202421311 has 16 divisors (see below), whose sum is σ = 16868250720. Its totient is φ = 7345848960.

The previous prime is 11202421277. The next prime is 11202421333. The reversal of 11202421311 is 11312420211.

11202421311 is a `hidden beast` number, since 11 + 202 + 421 + 31 + 1 = 666.

It is not a de Polignac number, because 11202421311 - 2⁹ = 11202420799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202421381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3399210 + ... + 3402503.

It is an arithmetic number, because the mean of its divisors is an integer number (1054265670).

Almost surely, 2^11202421311 is an apocalyptic number.

11202421311 is a deficient number, since it is larger than the sum of its proper divisors (5665829409).

11202421311 is an equidigital number, since it uses as much as digits as its factorization.

11202421311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801783 (or 6801777 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11202421311 its reverse (11312420211), we get a palindrome (22514841522).

The spelling of 11202421311 in words is "eleven billion, two hundred two million, four hundred twenty-one thousand, three hundred eleven".