11211244113 has 8 divisors (see below), whose sum is σ = 14974506976. Its totient is φ = 7461072000.

The previous prime is 11211244073. The next prime is 11211244129. The reversal of 11211244113 is 31144211211.

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

It is not a de Polignac number, because 11211244113 - 2⁶ = 11211244049 is a prime.

It is a super-2 number, since 2×11211244113² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11211244113.

It is not an unprimeable number, because it can be changed into a prime (11211244153) 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, 3270688 + ... + 3274113.

It is an arithmetic number, because the mean of its divisors is an integer number (1871813372).

Almost surely, 2^11211244113 is an apocalyptic number.

It is an amenable number.

11211244113 is a deficient number, since it is larger than the sum of its proper divisors (3763262863).

11211244113 is an equidigital number, since it uses as much as digits as its factorization.

11211244113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545375.

The product of its digits is 192, while the sum is 21.

Adding to 11211244113 its reverse (31144211211), we get a palindrome (42355455324).

The spelling of 11211244113 in words is "eleven billion, two hundred eleven million, two hundred forty-four thousand, one hundred thirteen".