210012110011 has 4 divisors (see below), whose sum is σ = 229104120024. Its totient is φ = 190920100000.

The previous prime is 210012109999. The next prime is 210012110029. The reversal of 210012110011 is 110011210012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210012110011 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 210012110011.

It is not an unprimeable number, because it can be changed into a prime (210012110111) 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, 9546004990 + ... + 9546005011.

It is an arithmetic number, because the mean of its divisors is an integer number (57276030006).

Almost surely, 2^210012110011 is an apocalyptic number.

210012110011 is a deficient number, since it is larger than the sum of its proper divisors (19092010013).

210012110011 is a wasteful number, since it uses less digits than its factorization.

210012110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19092010012.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210012110011 its reverse (110011210012), we get a palindrome (320023320023).

It can be divided in two parts, 210012 and 110011, that multiplied together give a palindrome (23103630132).

The spelling of 210012110011 in words is "two hundred ten billion, twelve million, one hundred ten thousand, eleven".