111201013211 has 2 divisors, whose sum is σ = 111201013212. Its totient is φ = 111201013210.

The previous prime is 111201013199. The next prime is 111201013279. The reversal of 111201013211 is 112310102111.

It is a weak prime.

It is an emirp because it is prime and its reverse (112310102111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111201013211 is a prime.

It is not a weakly prime, because it can be changed into another prime (111201010211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600506605 + 55600506606.

It is an arithmetic number, because the mean of its divisors is an integer number (55600506606).

Almost surely, 2^111201013211 is an apocalyptic number.

111201013211 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201013211 is an equidigital number, since it uses as much as digits as its factorization.

111201013211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111201013211 its reverse (112310102111), we get a palindrome (223511115322).

The spelling of 111201013211 in words is "one hundred eleven billion, two hundred one million, thirteen thousand, two hundred eleven".