1021301010243 has 12 divisors (see below), whose sum is σ = 1475851497120. Its totient is φ = 680572450896.

The previous prime is 1021301010229. The next prime is 1021301010283. The reversal of 1021301010243 is 3420101031201.

It is not a de Polignac number, because 1021301010243 - 2⁹ = 1021301009731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021301010203) 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, 24552171 + ... + 24593732.

It is an arithmetic number, because the mean of its divisors is an integer number (122987624760).

Almost surely, 2^{1021301010243} is an apocalyptic number.

1021301010243 is a deficient number, since it is larger than the sum of its proper divisors (454550486877).

1021301010243 is a wasteful number, since it uses less digits than its factorization.

1021301010243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49148218 (or 49148215 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1021301010243 its reverse (3420101031201), we get a palindrome (4441402041444).

The spelling of 1021301010243 in words is "one trillion, twenty-one billion, three hundred one million, ten thousand, two hundred forty-three".