211200012111001 has 8 divisors (see below), whose sum is σ = 212046987941280. Its totient is φ = 210353231520768.

The previous prime is 211200012110987. The next prime is 211200012111007. The reversal of 211200012111001 is 100111210002112.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211200012111001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211200012111007) 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, 46641991 + ... + 50969356.

It is an arithmetic number, because the mean of its divisors is an integer number (26505873492660).

Almost surely, 2^{211200012111001} is an apocalyptic number.

It is an amenable number.

211200012111001 is a deficient number, since it is larger than the sum of its proper divisors (846975830279).

211200012111001 is an equidigital number, since it uses as much as digits as its factorization.

211200012111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97620023.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211200012111001 its reverse (100111210002112), we get a palindrome (311311222113113).

The spelling of 211200012111001 in words is "two hundred eleven trillion, two hundred billion, twelve million, one hundred eleven thousand, one".