201100002222001 has 8 divisors (see below), whose sum is σ = 207587747257344. Its totient is φ = 194612297698560.

The previous prime is 201100002221983. The next prime is 201100002222043. The reversal of 201100002222001 is 100222200001102.

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 not a de Polignac number, because 201100002222001 - 2¹⁹ = 201100001697713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201100002822001) 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, 124881 + ... + 20055313.

It is an arithmetic number, because the mean of its divisors is an integer number (25948468407168).

Almost surely, 2^{201100002222001} is an apocalyptic number.

It is an amenable number.

201100002222001 is a deficient number, since it is larger than the sum of its proper divisors (6487745035343).

201100002222001 is a wasteful number, since it uses less digits than its factorization.

201100002222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20255951.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201100002222001 its reverse (100222200001102), we get a palindrome (301322202223103).

The spelling of 201100002222001 in words is "two hundred one trillion, one hundred billion, two million, two hundred twenty-two thousand, one".