20111110002012 has 24 divisors (see below), whose sum is σ = 48966180875136. Its totient is φ = 6412237971568.

The previous prime is 20111110001971. The next prime is 20111110002017. The reversal of 20111110002012 is 21020001111102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111110002017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36433170018 + ... + 36433170569.

It is an arithmetic number, because the mean of its divisors is an integer number (2040257536464).

Almost surely, 2^{20111110002012} is an apocalyptic number.

It is an amenable number.

20111110002012 is an abundant number, since it is smaller than the sum of its proper divisors (28855070873124).

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

20111110002012 is a wasteful number, since it uses less digits than its factorization.

20111110002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72866340617 (or 72866340615 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20111110002012 its reverse (21020001111102), we get a palindrome (41131111113114).

The spelling of 20111110002012 in words is "twenty trillion, one hundred eleven billion, one hundred ten million, two thousand, twelve".