11220203133213 has 16 divisors (see below), whose sum is σ = 14972482923456. Its totient is φ = 7474030058880.

The previous prime is 11220203133197. The next prime is 11220203133229. The reversal of 11220203133213 is 31233130202211.

It is an interprime number because it is at equal distance from previous prime (11220203133197) and next prime (11220203133229).

It is not a de Polignac number, because 11220203133213 - 2⁴ = 11220203133197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220203133313) 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, 75369270 + ... + 75517992.

It is an arithmetic number, because the mean of its divisors is an integer number (935780182716).

Almost surely, 2^{11220203133213} is an apocalyptic number.

It is an amenable number.

11220203133213 is a deficient number, since it is larger than the sum of its proper divisors (3752279790243).

11220203133213 is a wasteful number, since it uses less digits than its factorization.

11220203133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169084.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11220203133213 its reverse (31233130202211), we get a palindrome (42453333335424).

The spelling of 11220203133213 in words is "eleven trillion, two hundred twenty billion, two hundred three million, one hundred thirty-three thousand, two hundred thirteen".