11031013211 has 2 divisors, whose sum is σ = 11031013212. Its totient is φ = 11031013210.

The previous prime is 11031013181. The next prime is 11031013271. The reversal of 11031013211 is 11231013011.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11231013011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11031013211 is a prime.

It is a super-2 number, since 2×11031013211² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11031013271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515506605 + 5515506606.

It is an arithmetic number, because the mean of its divisors is an integer number (5515506606).

Almost surely, 2^11031013211 is an apocalyptic number.

11031013211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031013211 is an equidigital number, since it uses as much as digits as its factorization.

11031013211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11031013211 its reverse (11231013011), we get a palindrome (22262026222).

The spelling of 11031013211 in words is "eleven billion, thirty-one million, thirteen thousand, two hundred eleven".