1021230131120 has 40 divisors (see below), whose sum is σ = 2419159311216. Its totient is φ = 400784653568.

The previous prime is 1021230131113. The next prime is 1021230131137. The reversal of 1021230131120 is 211310321201.

It is a tau number, because it is divible by the number of its divisors (40).

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, 120423842 + ... + 120432321.

Almost surely, 2^{1021230131120} is an apocalyptic number.

1021230131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021230131120 is an abundant number, since it is smaller than the sum of its proper divisors (1397929180096).

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

1021230131120 is a wasteful number, since it uses less digits than its factorization.

1021230131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240856229 (or 240856223 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1021230131120 its reverse (211310321201), we get a palindrome (1232540452321).

The spelling of 1021230131120 in words is "one trillion, twenty-one billion, two hundred thirty million, one hundred thirty-one thousand, one hundred twenty".