11011212200213 has 4 divisors (see below), whose sum is σ = 11489960556768. Its totient is φ = 10532463843660.

The previous prime is 11011212200179. The next prime is 11011212200249. The reversal of 11011212200213 is 31200221211011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011212200213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011212200191 and 11011212200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011212200113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239374178243 + ... + 239374178288.

It is an arithmetic number, because the mean of its divisors is an integer number (2872490139192).

Almost surely, 2^{11011212200213} is an apocalyptic number.

It is an amenable number.

11011212200213 is a deficient number, since it is larger than the sum of its proper divisors (478748356555).

11011212200213 is an equidigital number, since it uses as much as digits as its factorization.

11011212200213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478748356554.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11011212200213 its reverse (31200221211011), we get a palindrome (42211433411224).

The spelling of 11011212200213 in words is "eleven trillion, eleven billion, two hundred twelve million, two hundred thousand, two hundred thirteen".