201111202222001 has 8 divisors (see below), whose sum is σ = 201172431432000. Its totient is φ = 201049976864880.

The previous prime is 201111202221959. The next prime is 201111202222043. The reversal of 201111202222001 is 100222202111102.

It is an interprime number because it is at equal distance from previous prime (201111202221959) and next prime (201111202222043).

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-201111202222001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201111202222061) 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, 105226646 + ... + 107120816.

It is an arithmetic number, because the mean of its divisors is an integer number (25146553929000).

Almost surely, 2^{201111202222001} is an apocalyptic number.

It is an amenable number.

201111202222001 is a deficient number, since it is larger than the sum of its proper divisors (61229209999).

201111202222001 is a wasteful number, since it uses less digits than its factorization.

201111202222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926439.

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

Adding to 201111202222001 its reverse (100222202111102), we get a palindrome (301333404333103).

The spelling of 201111202222001 in words is "two hundred one trillion, one hundred eleven billion, two hundred two million, two hundred twenty-two thousand, one".