1021310114525 has 12 divisors (see below), whose sum is σ = 1266477333492. Its totient is φ = 817014032640.

The previous prime is 1021310114521. The next prime is 1021310114527. The reversal of 1021310114525 is 5254110131201.

It can be written as a sum of positive squares in 6 ways, for example, as 121044004 + 1021189070521 = 11002^2 + 1010539^2 .

It is not a de Polignac number, because 1021310114525 - 2² = 1021310114521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021310114494 and 1021310114503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021310114521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230882 + ... + 1447731.

It is an arithmetic number, because the mean of its divisors is an integer number (105539777791).

Almost surely, 2^{1021310114525} is an apocalyptic number.

It is an amenable number.

1021310114525 is a deficient number, since it is larger than the sum of its proper divisors (245167218967).

1021310114525 is a wasteful number, since it uses less digits than its factorization.

1021310114525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702960 (or 1702955 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 1021310114525 its reverse (5254110131201), we get a palindrome (6275420245726).

The spelling of 1021310114525 in words is "one trillion, twenty-one billion, three hundred ten million, one hundred fourteen thousand, five hundred twenty-five".