1021130141440 has 72 divisors (see below), whose sum is σ = 2446133412240. Its totient is φ = 408417386496.

The previous prime is 1021130141429. The next prime is 1021130141441. The reversal of 1021130141440 is 441410311201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021130141441) 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 7 ways as a sum of consecutive naturals, for example, 19413096 + ... + 19465624.

It is an arithmetic number, because the mean of its divisors is an integer number (33974075170).

Almost surely, 2^{1021130141440} is an apocalyptic number.

1021130141440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021130141440 is an abundant number, since it is smaller than the sum of its proper divisors (1425003270800).

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

1021130141440 is an equidigital number, since it uses as much as digits as its factorization.

1021130141440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67737 (or 67723 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1021130141440 its reverse (441410311201), we get a palindrome (1462540452641).

The spelling of 1021130141440 in words is "one trillion, twenty-one billion, one hundred thirty million, one hundred forty-one thousand, four hundred forty".