210011112001 has 4 divisors (see below), whose sum is σ = 210029710000. Its totient is φ = 209992514004.

The previous prime is 210011111987. The next prime is 210011112029. The reversal of 210011112001 is 100211110012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210011112001 - 2¹¹ = 210011109953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210011112401) 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, 9282051 + ... + 9304648.

It is an arithmetic number, because the mean of its divisors is an integer number (52507427500).

Almost surely, 2^210011112001 is an apocalyptic number.

It is an amenable number.

210011112001 is a deficient number, since it is larger than the sum of its proper divisors (18597999).

210011112001 is a wasteful number, since it uses less digits than its factorization.

210011112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597998.

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

Adding to 210011112001 its reverse (100211110012), we get a palindrome (310222222013).

It can be divided in two parts, 2100111 and 12001, that added together give a palindrome (2112112).

The spelling of 210011112001 in words is "two hundred ten billion, eleven million, one hundred twelve thousand, one".