201122212095 has 24 divisors (see below), whose sum is σ = 398413525536. Its totient is φ = 91941582528.

The previous prime is 201122212079. The next prime is 201122212111. The reversal of 201122212095 is 590212221102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201122212079) and next prime (201122212111).

It is not a de Polignac number, because 201122212095 - 2⁴ = 201122212079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319241292 + ... + 319241921.

It is an arithmetic number, because the mean of its divisors is an integer number (16600563564).

Almost surely, 2^201122212095 is an apocalyptic number.

201122212095 is a deficient number, since it is larger than the sum of its proper divisors (197291313441).

201122212095 is a wasteful number, since it uses less digits than its factorization.

201122212095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638483231 (or 638483228 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 201122212095 its reverse (590212221102), we get a palindrome (791334433197).

The spelling of 201122212095 in words is "two hundred one billion, one hundred twenty-two million, two hundred twelve thousand, ninety-five".