120100010021 has 8 divisors (see below), whose sum is σ = 128307946080. Its totient is φ = 112080762288.

The previous prime is 120100009987. The next prime is 120100010047. The reversal of 120100010021 is 120010001021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120100010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120100009990 and 120100010008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100010081) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47170766 + ... + 47173311.

It is an arithmetic number, because the mean of its divisors is an integer number (16038493260).

Almost surely, 2^120100010021 is an apocalyptic number.

It is an amenable number.

120100010021 is a deficient number, since it is larger than the sum of its proper divisors (8207936059).

120100010021 is an equidigital number, since it uses as much as digits as its factorization.

120100010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94344163.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 120100010021 its reverse (120010001021), we get a palindrome (240110011042).

The spelling of 120100010021 in words is "one hundred twenty billion, one hundred million, ten thousand, twenty-one".