1101111212000 has 96 divisors (see below), whose sum is σ = 2712497808384. Its totient is φ = 439293888000.

The previous prime is 1101111211999. The next prime is 1101111212021. The reversal of 1101111212000 is 2121111011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172630 + ... + 1891370.

It is an arithmetic number, because the mean of its divisors is an integer number (28255185504).

Almost surely, 2^{1101111212000} is an apocalyptic number.

1101111212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101111212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356248904192).

1101111212000 is an abundant number, since it is smaller than the sum of its proper divisors (1611386596384).

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

1101111212000 is an equidigital number, since it uses as much as digits as its factorization.

1101111212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719149 (or 719131 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1101111212000 its reverse (2121111011), we get a palindrome (1103232323011).

The spelling of 1101111212000 in words is "one trillion, one hundred one billion, one hundred eleven million, two hundred twelve thousand".