1111002211120 has 80 divisors (see below), whose sum is σ = 2592021600000. Its totient is φ = 442864260864.

The previous prime is 1111002211043. The next prime is 1111002211133. The reversal of 1111002211120 is 211122001111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1111002211120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111002211120.

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, 45336631 + ... + 45361129.

It is an arithmetic number, because the mean of its divisors is an integer number (32400270000).

Almost surely, 2^{1111002211120} is an apocalyptic number.

1111002211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111002211120 is an abundant number, since it is smaller than the sum of its proper divisors (1481019388880).

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

1111002211120 is a wasteful number, since it uses less digits than its factorization.

1111002211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26450 (or 26444 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111002211120 its reverse (211122001111), we get a palindrome (1322124212231).

The spelling of 1111002211120 in words is "one trillion, one hundred eleven billion, two million, two hundred eleven thousand, one hundred twenty".