1021130010043 has 32 divisors (see below), whose sum is σ = 1275913562112. Its totient is φ = 802869926400.

The previous prime is 1021130009983. The next prime is 1021130010067. The reversal of 1021130010043 is 3400100311201.

It is a cyclic number.

It is not a de Polignac number, because 1021130010043 - 2¹⁷ = 1021129878971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021130009999 and 1021130010026.

It is not an unprimeable number, because it can be changed into a prime (1021130010443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399693 + ... + 1483918.

It is an arithmetic number, because the mean of its divisors is an integer number (39872298816).

Almost surely, 2^{1021130010043} is an apocalyptic number.

1021130010043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1021130010043 is a deficient number, since it is larger than the sum of its proper divisors (254783552069).

1021130010043 is a wasteful number, since it uses less digits than its factorization.

1021130010043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883875.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1021130010043 its reverse (3400100311201), we get a palindrome (4421230321244).

The spelling of 1021130010043 in words is "one trillion, twenty-one billion, one hundred thirty million, ten thousand, forty-three".