211201200001 has 4 divisors (see below), whose sum is σ = 230401309104. Its totient is φ = 192001090900.

The previous prime is 211201199899. The next prime is 211201200011. The reversal of 211201200001 is 100002102112.

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-211201200001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211201200011) 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, 9600054535 + ... + 9600054556.

It is an arithmetic number, because the mean of its divisors is an integer number (57600327276).

Almost surely, 2^211201200001 is an apocalyptic number.

It is an amenable number.

211201200001 is a deficient number, since it is larger than the sum of its proper divisors (19200109103).

211201200001 is a wasteful number, since it uses less digits than its factorization.

211201200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19200109102.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211201200001 its reverse (100002102112), we get a palindrome (311203302113).

The spelling of 211201200001 in words is "two hundred eleven billion, two hundred one million, two hundred thousand, one".