1021103303232 has 112 divisors (see below), whose sum is σ = 2748216398400. Its totient is φ = 334506731520.

The previous prime is 1021103303189. The next prime is 1021103303273. The reversal of 1021103303232 is 2323033011201.

It is a junction number, because it is equal to n+sod(n) for n = 1021103303199 and 1021103303208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50070894 + ... + 50091282.

Almost surely, 2^{1021103303232} is an apocalyptic number.

1021103303232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021103303232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374108199200).

1021103303232 is an abundant number, since it is smaller than the sum of its proper divisors (1727113095168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021103303232 is a wasteful number, since it uses less digits than its factorization.

1021103303232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24884 (or 24874 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1021103303232 its reverse (2323033011201), we get a palindrome (3344136314433).

The spelling of 1021103303232 in words is "one trillion, twenty-one billion, one hundred three million, three hundred three thousand, two hundred thirty-two".