10421320120 has 32 divisors (see below), whose sum is σ = 23451171120. Its totient is φ = 4167959040.

The previous prime is 10421320111. The next prime is 10421320121. The reversal of 10421320120 is 2102312401.

10421320120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×10421320120³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10421320094 and 10421320103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421320121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400219 + ... + 425461.

Almost surely, 2^10421320120 is an apocalyptic number.

10421320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10421320120 is an abundant number, since it is smaller than the sum of its proper divisors (13029851000).

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

10421320120 is a wasteful number, since it uses less digits than its factorization.

10421320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35575 (or 35571 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10421320120 its reverse (2102312401), we get a palindrome (12523632521).

The spelling of 10421320120 in words is "ten billion, four hundred twenty-one million, three hundred twenty thousand, one hundred twenty".