1021332020120 has 16 divisors (see below), whose sum is σ = 2297997045360. Its totient is φ = 408532808032.

The previous prime is 1021332020117. The next prime is 1021332020129. The reversal of 1021332020120 is 210202331201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021332020129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12766650212 + ... + 12766650291.

It is an arithmetic number, because the mean of its divisors is an integer number (143624815335).

Almost surely, 2^{1021332020120} is an apocalyptic number.

1021332020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021332020120 is an abundant number, since it is smaller than the sum of its proper divisors (1276665025240).

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

1021332020120 is a wasteful number, since it uses less digits than its factorization.

1021332020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25533300514 (or 25533300510 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1021332020120 its reverse (210202331201), we get a palindrome (1231534351321).

The spelling of 1021332020120 in words is "one trillion, twenty-one billion, three hundred thirty-two million, twenty thousand, one hundred twenty".