21310102230120 has 256 divisors, whose sum is σ = 78424914355200. Its totient is φ = 5103843160320.

The previous prime is 21310102230113. The next prime is 21310102230133. The reversal of 21310102230120 is 2103220101312.

21310102230120 is a `hidden beast` number, since 2 + 1 + 310 + 1 + 0 + 2 + 230 + 120 = 666.

21310102230120 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21310102230093 and 21310102230102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9819862 + ... + 11791941.

It is an arithmetic number, because the mean of its divisors is an integer number (306347321700).

Almost surely, 2^{21310102230120} is an apocalyptic number.

21310102230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21310102230120 is an abundant number, since it is smaller than the sum of its proper divisors (57114812125080).

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

21310102230120 is a wasteful number, since it uses less digits than its factorization.

21310102230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21611917 (or 21611907 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21310102230120 its reverse (2103220101312), we get a palindrome (23413322331432).

The spelling of 21310102230120 in words is "twenty-one trillion, three hundred ten billion, one hundred two million, two hundred thirty thousand, one hundred twenty".