11241220113 has 6 divisors (see below), whose sum is σ = 16237317954. Its totient is φ = 7494146736.

The previous prime is 11241220103. The next prime is 11241220139. The reversal of 11241220113 is 31102214211.

It can be written as a sum of positive squares in only one way, i.e., 7646977809 + 3594242304 = 87447^2 + 59952^2 .

It is not a de Polignac number, because 11241220113 - 2³³ = 2651285521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11241220103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624512220 + ... + 624512237.

It is an arithmetic number, because the mean of its divisors is an integer number (2706219659).

Almost surely, 2^11241220113 is an apocalyptic number.

It is an amenable number.

11241220113 is a deficient number, since it is larger than the sum of its proper divisors (4996097841).

11241220113 is a wasteful number, since it uses less digits than its factorization.

11241220113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249024463 (or 1249024460 counting only the distinct ones).

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

Adding to 11241220113 its reverse (31102214211), we get a palindrome (42343434324).

The spelling of 11241220113 in words is "eleven billion, two hundred forty-one million, two hundred twenty thousand, one hundred thirteen".