1021204132441 has 4 divisors (see below), whose sum is σ = 1036445985232. Its totient is φ = 1005962279652.

The previous prime is 1021204132439. The next prime is 1021204132451. The reversal of 1021204132441 is 1442314021201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1021204132441 - 2¹ = 1021204132439 is a prime.

It is a super-2 number, since 2×1021204132441² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021204132451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7620926295 + ... + 7620926428.

It is an arithmetic number, because the mean of its divisors is an integer number (259111496308).

Almost surely, 2^{1021204132441} is an apocalyptic number.

It is an amenable number.

1021204132441 is a deficient number, since it is larger than the sum of its proper divisors (15241852791).

1021204132441 is an equidigital number, since it uses as much as digits as its factorization.

1021204132441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15241852790.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1021204132441 its reverse (1442314021201), we get a palindrome (2463518153642).

The spelling of 1021204132441 in words is "one trillion, twenty-one billion, two hundred four million, one hundred thirty-two thousand, four hundred forty-one".