120100221021 has 8 divisors (see below), whose sum is σ = 174691230624. Its totient is φ = 72788012720.

The previous prime is 120100221019. The next prime is 120100221061. The reversal of 120100221021 is 120122001021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120100221021 - 2¹ = 120100221019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120100220988 and 120100221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819700286 + ... + 1819700351.

It is an arithmetic number, because the mean of its divisors is an integer number (21836403828).

Almost surely, 2^120100221021 is an apocalyptic number.

120100221021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120100221021 is a deficient number, since it is larger than the sum of its proper divisors (54591009603).

120100221021 is a wasteful number, since it uses less digits than its factorization.

120100221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639400651.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120100221021 its reverse (120122001021), we get a palindrome (240222222042).

The spelling of 120100221021 in words is "one hundred twenty billion, one hundred million, two hundred twenty-one thousand, twenty-one".