1120001221332 has 288 divisors, whose sum is σ = 3459099571200. Its totient is φ = 310259227392.

The previous prime is 1120001221321. The next prime is 1120001221373. The reversal of 1120001221332 is 2331221000211.

1120001221332 is a `hidden beast` number, since 11 + 200 + 0 + 122 + 1 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29285719 + ... + 29323937.

It is an arithmetic number, because the mean of its divisors is an integer number (12010762400).

Almost surely, 2^{1120001221332} is an apocalyptic number.

1120001221332 is a gapful number since it is divisible by the number (12) 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 1120001221332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729549785600).

1120001221332 is an abundant number, since it is smaller than the sum of its proper divisors (2339098349868).

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

1120001221332 is a wasteful number, since it uses less digits than its factorization.

1120001221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38377 (or 38363 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1120001221332 its reverse (2331221000211), we get a palindrome (3451222221543).

The spelling of 1120001221332 in words is "one trillion, one hundred twenty billion, one million, two hundred twenty-one thousand, three hundred thirty-two".