1021522512041 has 8 divisors (see below), whose sum is σ = 1075430052480. Its totient is φ = 967629291408.

The previous prime is 1021522512013. The next prime is 1021522512067. The reversal of 1021522512041 is 1402152251201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021522512041 - 2¹⁴ = 1021522495657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021522512041.

It is not an unprimeable number, because it can be changed into a prime (1021522512071) 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 7 ways as a sum of consecutive naturals, for example, 3433361 + ... + 3719006.

It is an arithmetic number, because the mean of its divisors is an integer number (134428756560).

Almost surely, 2^{1021522512041} is an apocalyptic number.

It is an amenable number.

1021522512041 is a deficient number, since it is larger than the sum of its proper divisors (53907540439).

1021522512041 is an equidigital number, since it uses as much as digits as its factorization.

1021522512041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159903.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 1021522512041 its reverse (1402152251201), we get a palindrome (2423674763242).

The spelling of 1021522512041 in words is "one trillion, twenty-one billion, five hundred twenty-two million, five hundred twelve thousand, forty-one".