1021130344025 has 48 divisors (see below), whose sum is σ = 1462844639808. Its totient is φ = 698821632000.

The previous prime is 1021130344019. The next prime is 1021130344033. The reversal of 1021130344025 is 5204430311201.

It is a happy number.

It is not a de Polignac number, because 1021130344025 - 2¹⁶ = 1021130278489 is a prime.

It is a super-2 number, since 2×1021130344025² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021130343985 and 1021130344003.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28560410 + ... + 28596140.

It is an arithmetic number, because the mean of its divisors is an integer number (30475929996).

Almost surely, 2^{1021130344025} is an apocalyptic number.

It is an amenable number.

1021130344025 is a deficient number, since it is larger than the sum of its proper divisors (441714295783).

1021130344025 is a wasteful number, since it uses less digits than its factorization.

1021130344025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41882 (or 41877 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1021130344025 its reverse (5204430311201), we get a palindrome (6225560655226).

The spelling of 1021130344025 in words is "one trillion, twenty-one billion, one hundred thirty million, three hundred forty-four thousand, twenty-five".