10001020121120 has 48 divisors (see below), whose sum is σ = 27002754330048. Its totient is φ = 3428921184000.

The previous prime is 10001020121111. The next prime is 10001020121137. The reversal of 10001020121120 is 2112102010001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4464740006 + ... + 4464742245.

It is an arithmetic number, because the mean of its divisors is an integer number (562557381876).

Almost surely, 2^{10001020121120} is an apocalyptic number.

10001020121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001020121120 is an abundant number, since it is smaller than the sum of its proper divisors (17001734208928).

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

10001020121120 is an equidigital number, since it uses as much as digits as its factorization.

10001020121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8929482273 (or 8929482265 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10001020121120 its reverse (2112102010001), we get a palindrome (12113122131121).

The spelling of 10001020121120 in words is "ten trillion, one billion, twenty million, one hundred twenty-one thousand, one hundred twenty".