211210110012111 has 8 divisors (see below), whose sum is σ = 321843977161344. Its totient is φ = 120691491435480.

The previous prime is 211210110012107. The next prime is 211210110012163. The reversal of 211210110012111 is 111210011012112.

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

It is not a de Polignac number, because 211210110012111 - 2² = 211210110012107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210110012211) 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, 5028812143125 + ... + 5028812143166.

It is an arithmetic number, because the mean of its divisors is an integer number (40230497145168).

Almost surely, 2^{211210110012111} is an apocalyptic number.

211210110012111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211210110012111 is a deficient number, since it is larger than the sum of its proper divisors (110633867149233).

211210110012111 is a wasteful number, since it uses less digits than its factorization.

211210110012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10057624286301.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 211210110012111 its reverse (111210011012112), we get a palindrome (322420121024223).

The spelling of 211210110012111 in words is "two hundred eleven trillion, two hundred ten billion, one hundred ten million, twelve thousand, one hundred eleven".