1021230111232 has 40 divisors (see below), whose sum is σ = 2129181554016. Its totient is φ = 488414395392.

The previous prime is 1021230111227. The next prime is 1021230111241. The reversal of 1021230111232 is 2321110321201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43348878 + ... + 43372429.

Almost surely, 2^{1021230111232} is an apocalyptic number.

It is an amenable number.

1021230111232 is an abundant number, since it is smaller than the sum of its proper divisors (1107951442784).

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

1021230111232 is an frugal number, since it uses more digits than its factorization.

1021230111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86721348 (or 86721332 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1021230111232 its reverse (2321110321201), we get a palindrome (3342340432433).

The spelling of 1021230111232 in words is "one trillion, twenty-one billion, two hundred thirty million, one hundred eleven thousand, two hundred thirty-two".