10213321030420 has 12 divisors (see below), whose sum is σ = 21447974163924. Its totient is φ = 4085328412160.

The previous prime is 10213321030399. The next prime is 10213321030441. The reversal of 10213321030420 is 2403012331201.

It is an interprime number because it is at equal distance from previous prime (10213321030399) and next prime (10213321030441).

It can be written as a sum of positive squares in 2 ways, for example, as 1512437555344 + 8700883475076 = 1229812^2 + 2949726^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10213321030391 and 10213321030400.

It is a congruent number.

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, 255333025741 + ... + 255333025780.

It is an arithmetic number, because the mean of its divisors is an integer number (1787331180327).

Almost surely, 2^{10213321030420} is an apocalyptic number.

10213321030420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10213321030420 is an abundant number, since it is smaller than the sum of its proper divisors (11234653133504).

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

10213321030420 is a wasteful number, since it uses less digits than its factorization.

10213321030420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510666051530 (or 510666051528 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 10213321030420 its reverse (2403012331201), we get a palindrome (12616333361621).

The spelling of 10213321030420 in words is "ten trillion, two hundred thirteen billion, three hundred twenty-one million, thirty thousand, four hundred twenty".