11211022213 has 8 divisors (see below), whose sum is σ = 11427746976. Its totient is φ = 10994490000.

The previous prime is 11211022171. The next prime is 11211022259. The reversal of 11211022213 is 31222011211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211022213 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 (11211022813) 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, 72318 + ... + 166288.

It is an arithmetic number, because the mean of its divisors is an integer number (1428468372).

Almost surely, 2^11211022213 is an apocalyptic number.

It is an amenable number.

11211022213 is a deficient number, since it is larger than the sum of its proper divisors (216724763).

11211022213 is an equidigital number, since it uses as much as digits as its factorization.

11211022213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96275.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11211022213 its reverse (31222011211), we get a palindrome (42433033424).

The spelling of 11211022213 in words is "eleven billion, two hundred eleven million, twenty-two thousand, two hundred thirteen".