1120021000002 has 48 divisors (see below), whose sum is σ = 2488541927040. Its totient is φ = 363946228800.

The previous prime is 1120021000001. The next prime is 1120021000009. The reversal of 1120021000002 is 2000001200211.

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

It is not an unprimeable number, because it can be changed into a prime (1120021000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4809774 + ... + 5037257.

It is an arithmetic number, because the mean of its divisors is an integer number (51844623480).

Almost surely, 2^{1120021000002} is an apocalyptic number.

1120021000002 is an abundant number, since it is smaller than the sum of its proper divisors (1368520927038).

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

1120021000002 is a wasteful number, since it uses less digits than its factorization.

1120021000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9847199 (or 9847196 counting only the distinct ones).

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

Adding to 1120021000002 its reverse (2000001200211), we get a palindrome (3120022200213).

The spelling of 1120021000002 in words is "one trillion, one hundred twenty billion, twenty-one million, two", and thus it is an aban number.