211002112001 has 4 divisors (see below), whose sum is σ = 211166573232. Its totient is φ = 210837650772.

The previous prime is 211002111973. The next prime is 211002112003. The reversal of 211002112001 is 100211200112.

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 a de Polignac number, because none of the positive numbers 2^k-211002112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211002112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82228691 + ... + 82231256.

It is an arithmetic number, because the mean of its divisors is an integer number (52791643308).

Almost surely, 2^211002112001 is an apocalyptic number.

It is an amenable number.

211002112001 is a deficient number, since it is larger than the sum of its proper divisors (164461231).

211002112001 is a wasteful number, since it uses less digits than its factorization.

211002112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164461230.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211002112001 its reverse (100211200112), we get a palindrome (311213312113).

The spelling of 211002112001 in words is "two hundred eleven billion, two million, one hundred twelve thousand, one".