1021144013103 has 16 divisors (see below), whose sum is σ = 1377330151680. Its totient is φ = 672905822976.

The previous prime is 1021144013089. The next prime is 1021144013107. The reversal of 1021144013103 is 3013104411201.

It is not a de Polignac number, because 1021144013103 - 2¹³ = 1021144004911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021144013103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021144013107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5603650 + ... + 5783007.

It is an arithmetic number, because the mean of its divisors is an integer number (86083134480).

Almost surely, 2^{1021144013103} is an apocalyptic number.

1021144013103 is a deficient number, since it is larger than the sum of its proper divisors (356186138577).

1021144013103 is a wasteful number, since it uses less digits than its factorization.

1021144013103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11387006.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1021144013103 its reverse (3013104411201), we get a palindrome (4034248424304).

The spelling of 1021144013103 in words is "one trillion, twenty-one billion, one hundred forty-four million, thirteen thousand, one hundred three".