12111011101000 has 128 divisors (see below), whose sum is σ = 32708982159360. Its totient is φ = 4111234080000.

The previous prime is 12111011100949. The next prime is 12111011101003. The reversal of 12111011101000 is 10111011121.

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

It is not an unprimeable number, because it can be changed into a prime (12111011101003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7858072 + ... + 9272071.

It is an arithmetic number, because the mean of its divisors is an integer number (255538923120).

Almost surely, 2^{12111011101000} is an apocalyptic number.

12111011101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111011101000 is an abundant number, since it is smaller than the sum of its proper divisors (20597971058360).

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

12111011101000 is a wasteful number, since it uses less digits than its factorization.

12111011101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17130272 (or 17130258 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 12111011101000 its reverse (10111011121), we get a palindrome (12121122112121).

The spelling of 12111011101000 in words is "twelve trillion, one hundred eleven billion, eleven million, one hundred one thousand".