211011121120211 has 8 divisors (see below), whose sum is σ = 211246267108464. Its totient is φ = 210775980637440.

The previous prime is 211011121120109. The next prime is 211011121120231. The reversal of 211011121120211 is 112021121110112.

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

It is a cyclic number.

It is not a de Polignac number, because 211011121120211 - 2¹⁸ = 211011120858067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211011121120211.

It is not an unprimeable number, because it can be changed into a prime (211011121120231) 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, 77860631 + ... + 80525151.

It is an arithmetic number, because the mean of its divisors is an integer number (26405783388558).

Almost surely, 2^{211011121120211} is an apocalyptic number.

211011121120211 is a deficient number, since it is larger than the sum of its proper divisors (235145988253).

211011121120211 is an equidigital number, since it uses as much as digits as its factorization.

211011121120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752741.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 211011121120211 its reverse (112021121110112), we get a palindrome (323032242230323).

The spelling of 211011121120211 in words is "two hundred eleven trillion, eleven billion, one hundred twenty-one million, one hundred twenty thousand, two hundred eleven".