20111210122095 has 96 divisors (see below), whose sum is σ = 35295805209600. Its totient is φ = 10592473178112.

The previous prime is 20111210122063. The next prime is 20111210122169. The reversal of 20111210122095 is 59022101211102.

It is not a de Polignac number, because 20111210122095 - 2⁵ = 20111210122063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1611598066 + ... + 1611610544.

It is an arithmetic number, because the mean of its divisors is an integer number (367664637600).

Almost surely, 2^{20111210122095} is an apocalyptic number.

20111210122095 is a deficient number, since it is larger than the sum of its proper divisors (15184595087505).

20111210122095 is a wasteful number, since it uses less digits than its factorization.

20111210122095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13729 (or 13726 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

Adding to 20111210122095 its reverse (59022101211102), we get a palindrome (79133311333197).

The spelling of 20111210122095 in words is "twenty trillion, one hundred eleven billion, two hundred ten million, one hundred twenty-two thousand, ninety-five".