20111001112000 has 56 divisors (see below), whose sum is σ = 49804894273680. Its totient is φ = 8044400441600.

The previous prime is 20111001111983. The next prime is 20111001112001. The reversal of 20111001112000 is 21110011102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111001112001) 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, 1256929570 + ... + 1256945569.

It is an arithmetic number, because the mean of its divisors is an integer number (889373112030).

Almost surely, 2^{20111001112000} is an apocalyptic number.

20111001112000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20111001112000 is an abundant number, since it is smaller than the sum of its proper divisors (29693893161680).

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

20111001112000 is an equidigital number, since it uses as much as digits as its factorization.

20111001112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513875166 (or 2513875146 counting only the distinct ones).

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

Adding to 20111001112000 its reverse (21110011102), we get a palindrome (20132111123102).

The spelling of 20111001112000 in words is "twenty trillion, one hundred eleven billion, one million, one hundred twelve thousand".