111211000211 has 16 divisors (see below), whose sum is σ = 113838213888. Its totient is φ = 108611210400.

The previous prime is 111211000193. The next prime is 111211000259. The reversal of 111211000211 is 112000112111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111211000211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111211000192 and 111211000201.

It is not an unprimeable number, because it can be changed into a prime (111211009211) 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, 9885956 + ... + 9897198.

It is an arithmetic number, because the mean of its divisors is an integer number (7114888368).

Almost surely, 2^111211000211 is an apocalyptic number.

111211000211 is a deficient number, since it is larger than the sum of its proper divisors (2627213677).

111211000211 is a wasteful number, since it uses less digits than its factorization.

111211000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12442.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111211000211 its reverse (112000112111), we get a palindrome (223211112322).

The spelling of 111211000211 in words is "one hundred eleven billion, two hundred eleven million, two hundred eleven", and thus it is an aban number.