10001220001120 has 24 divisors (see below), whose sum is σ = 23627882253024. Its totient is φ = 4000488000384.

The previous prime is 10001220001117. The next prime is 10001220001151. The reversal of 10001220001120 is 2110002210001.

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 = 10001220001097 and 10001220001106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31253812344 + ... + 31253812663.

It is an arithmetic number, because the mean of its divisors is an integer number (984495093876).

Almost surely, 2^{10001220001120} is an apocalyptic number.

10001220001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001220001120 is an abundant number, since it is smaller than the sum of its proper divisors (13626662251904).

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

10001220001120 is an equidigital number, since it uses as much as digits as its factorization.

10001220001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62507625022 (or 62507625014 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10001220001120 its reverse (2110002210001), we get a palindrome (12111222211121).

The spelling of 10001220001120 in words is "ten trillion, one billion, two hundred twenty million, one thousand, one hundred twenty".