1021343114425 has 6 divisors (see below), whose sum is σ = 1266465461918. Its totient is φ = 817074491520.

The previous prime is 1021343114423. The next prime is 1021343114431. The reversal of 1021343114425 is 5244113431201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14584761 + 1021328529664 = 3819^2 + 1010608^2 .

It is not a de Polignac number, because 1021343114425 - 2¹ = 1021343114423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021343114423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20426862264 + ... + 20426862313.

Almost surely, 2^{1021343114425} is an apocalyptic number.

It is an amenable number.

1021343114425 is a deficient number, since it is larger than the sum of its proper divisors (245122347493).

1021343114425 is an equidigital number, since it uses as much as digits as its factorization.

1021343114425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40853724587 (or 40853724582 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1021343114425 its reverse (5244113431201), we get a palindrome (6265456545626).

The spelling of 1021343114425 in words is "one trillion, twenty-one billion, three hundred forty-three million, one hundred fourteen thousand, four hundred twenty-five".