20111011102 has 48 divisors (see below), whose sum is σ = 37826559792. Its totient is φ = 7948523520.

The previous prime is 20111011093. The next prime is 20111011153.

20111011102 is nontrivially palindromic in base 10.

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, 1462077 + ... + 1475767.

It is an arithmetic number, because the mean of its divisors is an integer number (788053329).

Almost surely, 2^20111011102 is an apocalyptic number.

20111011102 is a deficient number, since it is larger than the sum of its proper divisors (17715548690).

20111011102 is a wasteful number, since it uses less digits than its factorization.

20111011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14873 (or 14866 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

It can be divided in two parts, 201110 and 11102, that added together give a palindrome (212212).

The spelling of 20111011102 in words is "twenty billion, one hundred eleven million, eleven thousand, one hundred two".