10321213331220 has 48 divisors (see below), whose sum is σ = 31526615268288. Its totient is φ = 2502112322560.

The previous prime is 10321213331173. The next prime is 10321213331227. The reversal of 10321213331220 is 2213331212301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321213331227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7819100349 + ... + 7819101668.

It is an arithmetic number, because the mean of its divisors is an integer number (656804484756).

Almost surely, 2^{10321213331220} is an apocalyptic number.

10321213331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321213331220 is an abundant number, since it is smaller than the sum of its proper divisors (21205401937068).

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

10321213331220 is a wasteful number, since it uses less digits than its factorization.

10321213331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15638202040 (or 15638202038 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 10321213331220 its reverse (2213331212301), we get a palindrome (12534544543521).

The spelling of 10321213331220 in words is "ten trillion, three hundred twenty-one billion, two hundred thirteen million, three hundred thirty-one thousand, two hundred twenty".