211200201220001 has 8 divisors (see below), whose sum is σ = 241522799225280. Its totient is φ = 180915388386768.

The previous prime is 211200201219983. The next prime is 211200201220003. The reversal of 211200201220001 is 100022102002112.

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

It is not a de Polignac number, because 211200201220001 - 2¹⁸ = 211200200957857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211200201220003) 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, 9446281031 + ... + 9446303388.

It is an arithmetic number, because the mean of its divisors is an integer number (30190349903160).

Almost surely, 2^{211200201220001} is an apocalyptic number.

It is an amenable number.

211200201220001 is a deficient number, since it is larger than the sum of its proper divisors (30322598005279).

211200201220001 is a wasteful number, since it uses less digits than its factorization.

211200201220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18892586023.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211200201220001 its reverse (100022102002112), we get a palindrome (311222303222113).

The spelling of 211200201220001 in words is "two hundred eleven trillion, two hundred billion, two hundred one million, two hundred twenty thousand, one".