10213221032120 has 64 divisors (see below), whose sum is σ = 23073424957440. Its totient is φ = 4068667843200.

The previous prime is 10213221032087. The next prime is 10213221032129. The reversal of 10213221032120 is 2123012231201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10213221032092 and 10213221032101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213221032129) 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, 9325289 + ... + 10362791.

It is an arithmetic number, because the mean of its divisors is an integer number (360522264960).

Almost surely, 2^{10213221032120} is an apocalyptic number.

10213221032120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10213221032120 is an abundant number, since it is smaller than the sum of its proper divisors (12860203925320).

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

10213221032120 is a wasteful number, since it uses less digits than its factorization.

10213221032120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038516 (or 1038512 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10213221032120 its reverse (2123012231201), we get a palindrome (12336233263321).

The spelling of 10213221032120 in words is "ten trillion, two hundred thirteen billion, two hundred twenty-one million, thirty-two thousand, one hundred twenty".