201122102195 has 32 divisors (see below), whose sum is σ = 277589760000. Its totient is φ = 137032166016.

The previous prime is 201122102179. The next prime is 201122102227. The reversal of 201122102195 is 591201221102.

It is a cyclic number.

It is not a de Polignac number, because 201122102195 - 2⁴ = 201122102179 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3974342 + ... + 4024628.

It is an arithmetic number, because the mean of its divisors is an integer number (8674680000).

Almost surely, 2^201122102195 is an apocalyptic number.

201122102195 is a deficient number, since it is larger than the sum of its proper divisors (76467657805).

201122102195 is a wasteful number, since it uses less digits than its factorization.

201122102195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51027.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 201122102195 its reverse (591201221102), we get a palindrome (792323323297).

The spelling of 201122102195 in words is "two hundred one billion, one hundred twenty-two million, one hundred two thousand, one hundred ninety-five".