201072217107 has 16 divisors (see below), whose sum is σ = 281765272320. Its totient is φ = 127297512672.

The previous prime is 201072217091. The next prime is 201072217121. The reversal of 201072217107 is 701712270102.

It is not a de Polignac number, because 201072217107 - 2⁴ = 201072217091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201072217147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10472748 + ... + 10491929.

It is an arithmetic number, because the mean of its divisors is an integer number (17610329520).

Almost surely, 2^201072217107 is an apocalyptic number.

201072217107 is a deficient number, since it is larger than the sum of its proper divisors (80693055213).

201072217107 is a wasteful number, since it uses less digits than its factorization.

201072217107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20964842.

The product of its (nonzero) digits is 2744, while the sum is 30.

Adding to 201072217107 its reverse (701712270102), we get a palindrome (902784487209).

The spelling of 201072217107 in words is "two hundred one billion, seventy-two million, two hundred seventeen thousand, one hundred seven".