10221032120 has 96 divisors (see below), whose sum is σ = 25001460000. Its totient is φ = 3758916096.

The previous prime is 10221032117. The next prime is 10221032137. The reversal of 10221032120 is 2123012201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10221032095 and 10221032104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1775006 + ... + 1780754.

It is an arithmetic number, because the mean of its divisors is an integer number (260431875).

Almost surely, 2^10221032120 is an apocalyptic number.

10221032120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10221032120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12500730000).

10221032120 is an abundant number, since it is smaller than the sum of its proper divisors (14780427880).

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

10221032120 is a wasteful number, since it uses less digits than its factorization.

10221032120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049 (or 6032 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10221032120 its reverse (2123012201), we get a palindrome (12344044321).

The spelling of 10221032120 in words is "ten billion, two hundred twenty-one million, thirty-two thousand, one hundred twenty".