10021100320 has 96 divisors (see below), whose sum is σ = 29516731776. Its totient is φ = 3123456000.

The previous prime is 10021100291. The next prime is 10021100339. The reversal of 10021100320 is 2300112001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10021100297 and 10021100306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394381 + ... + 419020.

It is an arithmetic number, because the mean of its divisors is an integer number (307465956).

Almost surely, 2^10021100320 is an apocalyptic number.

10021100320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021100320 is an abundant number, since it is smaller than the sum of its proper divisors (19495631456).

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

10021100320 is a wasteful number, since it uses less digits than its factorization.

10021100320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813434 (or 813426 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10021100320 its reverse (2300112001), we get a palindrome (12321212321).

The spelling of 10021100320 in words is "ten billion, twenty-one million, one hundred thousand, three hundred twenty".