20111210122096 has 80 divisors (see below), whose sum is σ = 40490136251136. Its totient is φ = 9666662400000.

The previous prime is 20111210122063. The next prime is 20111210122169. The reversal of 20111210122096 is 69022101211102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47724156 + ... + 48143716.

Almost surely, 2^{20111210122096} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20111210122096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20245068125568).

20111210122096 is an abundant number, since it is smaller than the sum of its proper divisors (20378926129040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20111210122096 is a wasteful number, since it uses less digits than its factorization.

20111210122096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420242 (or 420236 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

Adding to 20111210122096 its reverse (69022101211102), we get a palindrome (89133311333198).

The spelling of 20111210122096 in words is "twenty trillion, one hundred eleven billion, two hundred ten million, one hundred twenty-two thousand, ninety-six".