120201002101001 has 4 divisors (see below), whose sum is σ = 123132733859604. Its totient is φ = 117269270342400.

The previous prime is 120201002100973. The next prime is 120201002101039. The reversal of 120201002101001 is 100101200102021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16345234469776 + 103855767631225 = 4042924^2 + 10190965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120201002101001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120201002101051) 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 3 ways as a sum of consecutive naturals, for example, 1465865879240 + ... + 1465865879321.

It is an arithmetic number, because the mean of its divisors is an integer number (30783183464901).

Almost surely, 2^{120201002101001} is an apocalyptic number.

It is an amenable number.

120201002101001 is a deficient number, since it is larger than the sum of its proper divisors (2931731758603).

120201002101001 is an equidigital number, since it uses as much as digits as its factorization.

120201002101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931731758602.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120201002101001 its reverse (100101200102021), we get a palindrome (220302202203022).

The spelling of 120201002101001 in words is "one hundred twenty trillion, two hundred one billion, two million, one hundred one thousand, one".