1021231103232 has 72 divisors (see below), whose sum is σ = 2718154254816. Its totient is φ = 340386543616.

The previous prime is 1021231103219. The next prime is 1021231103261. The reversal of 1021231103232 is 2323011321201.

It is a junction number, because it is equal to n+sod(n) for n = 1021231103199 and 1021231103208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13499818 + ... + 13575254.

It is an arithmetic number, because the mean of its divisors is an integer number (37752142428).

Almost surely, 2^{1021231103232} is an apocalyptic number.

1021231103232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021231103232 is an abundant number, since it is smaller than the sum of its proper divisors (1696923151584).

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

1021231103232 is an equidigital number, since it uses as much as digits as its factorization.

1021231103232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93083 (or 93069 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1021231103232 its reverse (2323011321201), we get a palindrome (3344242424433).

The spelling of 1021231103232 in words is "one trillion, twenty-one billion, two hundred thirty-one million, one hundred three thousand, two hundred thirty-two".