211312001111 has 8 divisors (see below), whose sum is σ = 222438855600. Its totient is φ = 200185663680.

The previous prime is 211312001101. The next prime is 211312001129. The reversal of 211312001111 is 111100213112.

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 211312001111 - 2¹⁰ = 211312000087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211312001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933905 + ... + 1137893.

It is an arithmetic number, because the mean of its divisors is an integer number (27804856950).

Almost surely, 2^211312001111 is an apocalyptic number.

211312001111 is a deficient number, since it is larger than the sum of its proper divisors (11126854489).

211312001111 is a wasteful number, since it uses less digits than its factorization.

211312001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258529.

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

Adding to 211312001111 its reverse (111100213112), we get a palindrome (322412214223).

The spelling of 211312001111 in words is "two hundred eleven billion, three hundred twelve million, one thousand, one hundred eleven".