120021022001 has 16 divisors (see below), whose sum is σ = 125322785280. Its totient is φ = 114809439360.

The previous prime is 120021021977. The next prime is 120021022031. The reversal of 120021022001 is 100220120021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120021022001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021022031) 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 15 ways as a sum of consecutive naturals, for example, 17110571 + ... + 17117583.

It is an arithmetic number, because the mean of its divisors is an integer number (7832674080).

Almost surely, 2^120021022001 is an apocalyptic number.

It is an amenable number.

120021022001 is a deficient number, since it is larger than the sum of its proper divisors (5301763279).

120021022001 is an equidigital number, since it uses as much as digits as its factorization.

120021022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13336.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120021022001 its reverse (100220120021), we get a palindrome (220241142022).

The spelling of 120021022001 in words is "one hundred twenty billion, twenty-one million, twenty-two thousand, one".