211200221022101 has 8 divisors (see below), whose sum is σ = 211999645431840. Its totient is φ = 210401170795152.

The previous prime is 211200221021953. The next prime is 211200221022191. The reversal of 211200221022101 is 101220122002112.

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

It is a cyclic number.

It is not a de Polignac number, because 211200221022101 - 2¹⁰ = 211200221021077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211200221022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211200221022191) 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, 92414675 + ... + 94672448.

It is an arithmetic number, because the mean of its divisors is an integer number (26499955678980).

Almost surely, 2^{211200221022101} is an apocalyptic number.

It is an amenable number.

211200221022101 is a deficient number, since it is larger than the sum of its proper divisors (799424409739).

211200221022101 is a wasteful number, since it uses less digits than its factorization.

211200221022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187091395.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211200221022101 its reverse (101220122002112), we get a palindrome (312420343024213).

The spelling of 211200221022101 in words is "two hundred eleven trillion, two hundred billion, two hundred twenty-one million, twenty-two thousand, one hundred one".