10221100021120 has 64 divisors (see below), whose sum is σ = 24484583402640. Its totient is φ = 4080113121280.

The previous prime is 10221100021043. The next prime is 10221100021123. The reversal of 10221100021120 is 2112000112201.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 10221100021120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221100021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15948967 + ... + 16577446.

Almost surely, 2^{10221100021120} is an apocalyptic number.

10221100021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221100021120 is an abundant number, since it is smaller than the sum of its proper divisors (14263483381520).

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

10221100021120 is an equidigital number, since it uses as much as digits as its factorization.

10221100021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32526923 (or 32526911 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10221100021120 its reverse (2112000112201), we get a palindrome (12333100133321).

The spelling of 10221100021120 in words is "ten trillion, two hundred twenty-one billion, one hundred million, twenty-one thousand, one hundred twenty".