1111412221120 has 112 divisors (see below), whose sum is σ = 2713498824960. Its totient is φ = 433360198656.

The previous prime is 1111412221111. The next prime is 1111412221141. The reversal of 1111412221120 is 211222141111.

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, 6840991 + ... + 7001569.

It is an arithmetic number, because the mean of its divisors is an integer number (24227668080).

Almost surely, 2^{1111412221120} is an apocalyptic number.

1111412221120 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 1111412221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356749412480).

1111412221120 is an abundant number, since it is smaller than the sum of its proper divisors (1602086603840).

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

1111412221120 is a wasteful number, since it uses less digits than its factorization.

1111412221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161142 (or 161132 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 1111412221120 its reverse (211222141111), we get a palindrome (1322634362231).

The spelling of 1111412221120 in words is "one trillion, one hundred eleven billion, four hundred twelve million, two hundred twenty-one thousand, one hundred twenty".