20111050522102 has 4 divisors (see below), whose sum is σ = 30166575783156. Its totient is φ = 10055525261050.

The previous prime is 20111050522063. The next prime is 20111050522141. The reversal of 20111050522102 is 20122505011102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20111050522063) and next prime (20111050522141).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027762630524 + ... + 5027762630527.

It is an arithmetic number, because the mean of its divisors is an integer number (7541643945789).

Almost surely, 2^{20111050522102} is an apocalyptic number.

20111050522102 is a deficient number, since it is larger than the sum of its proper divisors (10055525261054).

20111050522102 is a wasteful number, since it uses less digits than its factorization.

20111050522102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10055525261053.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 20111050522102 its reverse (20122505011102), we get a palindrome (40233555533204).

The spelling of 20111050522102 in words is "twenty trillion, one hundred eleven billion, fifty million, five hundred twenty-two thousand, one hundred two".