120020001001 has 8 divisors (see below), whose sum is σ = 121567536000. Its totient is φ = 118473173520.

The previous prime is 120020000951. The next prime is 120020001077. The reversal of 120020001001 is 100100020021.

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 120020001001 - 2¹⁷ = 120019869929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120020001701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168906 + ... + 518236.

It is an arithmetic number, because the mean of its divisors is an integer number (15195942000).

Almost surely, 2^120020001001 is an apocalyptic number.

It is an amenable number.

120020001001 is a deficient number, since it is larger than the sum of its proper divisors (1547534999).

120020001001 is an equidigital number, since it uses as much as digits as its factorization.

120020001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353759.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 120020001001 its reverse (100100020021), we get a palindrome (220120021022).

The spelling of 120020001001 in words is "one hundred twenty billion, twenty million, one thousand, one".