11211233013 has 6 divisors (see below), whose sum is σ = 16194003254. Its totient is φ = 7474155336.

The previous prime is 11211233003. The next prime is 11211233023. The reversal of 11211233013 is 31033211211.

It is an interprime number because it is at equal distance from previous prime (11211233003) and next prime (11211233023).

It can be written as a sum of positive squares in only one way, i.e., 8843145444 + 2368087569 = 94038^2 + 48663^2 .

It is not a de Polignac number, because 11211233013 - 2¹⁰ = 11211231989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211233003) 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, 622846270 + ... + 622846287.

Almost surely, 2^11211233013 is an apocalyptic number.

It is an amenable number.

11211233013 is a deficient number, since it is larger than the sum of its proper divisors (4982770241).

11211233013 is a wasteful number, since it uses less digits than its factorization.

11211233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245692563 (or 1245692560 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11211233013 its reverse (31033211211), we get a palindrome (42244444224).

The spelling of 11211233013 in words is "eleven billion, two hundred eleven million, two hundred thirty-three thousand, thirteen".