201021022100195 has 8 divisors (see below), whose sum is σ = 263154792567600. Its totient is φ = 146197106981920.

The previous prime is 201021022100179. The next prime is 201021022100201. The reversal of 201021022100195 is 591001220120102.

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

It is not a de Polignac number, because 201021022100195 - 2⁴ = 201021022100179 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827463837220 + ... + 1827463837329.

It is an arithmetic number, because the mean of its divisors is an integer number (32894349070950).

Almost surely, 2^{201021022100195} is an apocalyptic number.

201021022100195 is a deficient number, since it is larger than the sum of its proper divisors (62133770467405).

201021022100195 is a wasteful number, since it uses less digits than its factorization.

201021022100195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654927674565.

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

Adding to 201021022100195 its reverse (591001220120102), we get a palindrome (792022242220297).

The spelling of 201021022100195 in words is "two hundred one trillion, twenty-one billion, twenty-two million, one hundred thousand, one hundred ninety-five".