1120001022000 has 480 divisors, whose sum is σ = 4478020245504. Its totient is φ = 255576384000.

The previous prime is 1120001021999. The next prime is 1120001022017. The reversal of 1120001022000 is 2201000211.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 79498957 + ... + 79513043.

Almost surely, 2^{1120001022000} is an apocalyptic number.

1120001022000 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 1120001022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2239010122752).

1120001022000 is an abundant number, since it is smaller than the sum of its proper divisors (3358019223504).

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

1120001022000 is a wasteful number, since it uses less digits than its factorization.

1120001022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14754 (or 14735 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1120001022000 its reverse (2201000211), we get a palindrome (1122202022211).

The spelling of 1120001022000 in words is "one trillion, one hundred twenty billion, one million, twenty-two thousand".