1110021211120 has 80 divisors (see below), whose sum is σ = 2735626881888. Its totient is φ = 417429135360.

The previous prime is 1110021211109. The next prime is 1110021211139. The reversal of 1110021211120 is 211121200111.

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 2×1110021211120² (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 1110021211120.

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, 783580 + ... + 1683460.

Almost surely, 2^{1110021211120} is an apocalyptic number.

1110021211120 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 1110021211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367813440944).

1110021211120 is an abundant number, since it is smaller than the sum of its proper divisors (1625605670768).

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

1110021211120 is a wasteful number, since it uses less digits than its factorization.

1110021211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900818 (or 900812 counting only the distinct ones).

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

Adding to 1110021211120 its reverse (211121200111), we get a palindrome (1321142411231).

The spelling of 1110021211120 in words is "one trillion, one hundred ten billion, twenty-one million, two hundred eleven thousand, one hundred twenty".