1111201211120 has 320 divisors, whose sum is σ = 3542629257216. Its totient is φ = 312902922240.

The previous prime is 1111201211069. The next prime is 1111201211123. The reversal of 1111201211120 is 211121021111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1111201211095 and 1111201211104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111201211123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3616142 + ... + 3911378.

Almost surely, 2^{1111201211120} is an apocalyptic number.

1111201211120 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 1111201211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1771314628608).

1111201211120 is an abundant number, since it is smaller than the sum of its proper divisors (2431428046096).

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

1111201211120 is a wasteful number, since it uses less digits than its factorization.

1111201211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295328 (or 295322 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111201211120 its reverse (211121021111), we get a palindrome (1322322232231).

The spelling of 1111201211120 in words is "one trillion, one hundred eleven billion, two hundred one million, two hundred eleven thousand, one hundred twenty".