211000122222001 has 8 divisors (see below), whose sum is σ = 241161456930944. Its totient is φ = 180843402539520.

The previous prime is 211000122221849. The next prime is 211000122222031. The reversal of 211000122222001 is 100222221000112.

It is a happy number.

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

It is not a de Polignac number, because 211000122222001 - 2⁹ = 211000122221489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211000122222031) 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, 1153658640 + ... + 1153841521.

It is an arithmetic number, because the mean of its divisors is an integer number (30145182116368).

Almost surely, 2^{211000122222001} is an apocalyptic number.

It is an amenable number.

211000122222001 is a deficient number, since it is larger than the sum of its proper divisors (30161334708943).

211000122222001 is a wasteful number, since it uses less digits than its factorization.

211000122222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307513231.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211000122222001 its reverse (100222221000112), we get a palindrome (311222343222113).

The spelling of 211000122222001 in words is "two hundred eleven trillion, one hundred twenty-two million, two hundred twenty-two thousand, one".