211011202000111 has 4 divisors (see below), whose sum is σ = 211056688360000. Its totient is φ = 210965715640224.

The previous prime is 211011202000087. The next prime is 211011202000189. The reversal of 211011202000111 is 111000202110112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211011202000111 - 2²³ = 211011193611503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211011202000091 and 211011202000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011202000811) 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, 22743172986 + ... + 22743182263.

It is an arithmetic number, because the mean of its divisors is an integer number (52764172090000).

Almost surely, 2^{211011202000111} is an apocalyptic number.

211011202000111 is a deficient number, since it is larger than the sum of its proper divisors (45486359889).

211011202000111 is an equidigital number, since it uses as much as digits as its factorization.

211011202000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45486359888.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211011202000111 its reverse (111000202110112), we get a palindrome (322011404110223).

The spelling of 211011202000111 in words is "two hundred eleven trillion, eleven billion, two hundred two million, one hundred eleven", and thus it is an aban number.