10000211111 has 8 divisors (see below), whose sum is σ = 10917747984. Its totient is φ = 9084078720.

The previous prime is 10000211099. The next prime is 10000211159. The reversal of 10000211111 is 11111200001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000211111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000211191) 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, 336200 + ... + 364733.

It is an arithmetic number, because the mean of its divisors is an integer number (1364718498).

Almost surely, 2^10000211111 is an apocalyptic number.

10000211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10000211111 is a deficient number, since it is larger than the sum of its proper divisors (917536873).

10000211111 is a wasteful number, since it uses less digits than its factorization.

10000211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702241.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10000211111 its reverse (11111200001), we get a palindrome (21111411112).

The spelling of 10000211111 in words is "ten billion, two hundred eleven thousand, one hundred eleven".