1120022121120 has 192 divisors, whose sum is σ = 4054358520576. Its totient is φ = 254590525440.

The previous prime is 1120022121059. The next prime is 1120022121121. The reversal of 1120022121120 is 211212200211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1120022121120.

It is not an unprimeable number, because it can be changed into a prime (1120022121121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312669 + ... + 1528988.

It is an arithmetic number, because the mean of its divisors is an integer number (21116450628).

Almost surely, 2^{1120022121120} is an apocalyptic number.

1120022121120 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 1120022121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2027179260288).

1120022121120 is an abundant number, since it is smaller than the sum of its proper divisors (2934336399456).

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

1120022121120 is a wasteful number, since it uses less digits than its factorization.

1120022121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841863 (or 1841855 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1120022121120 its reverse (211212200211), we get a palindrome (1331234321331).

The spelling of 1120022121120 in words is "one trillion, one hundred twenty billion, twenty-two million, one hundred twenty-one thousand, one hundred twenty".