120401102001 has 4 divisors (see below), whose sum is σ = 160534802672. Its totient is φ = 80267401332.

The previous prime is 120401101993. The next prime is 120401102011. The reversal of 120401102001 is 100201104021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100201104021 = 3 ⋅33400368007.

It is not a de Polignac number, because 120401102001 - 2³ = 120401101993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120401102011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20066850331 + ... + 20066850336.

It is an arithmetic number, because the mean of its divisors is an integer number (40133700668).

Almost surely, 2^120401102001 is an apocalyptic number.

It is an amenable number.

120401102001 is a deficient number, since it is larger than the sum of its proper divisors (40133700671).

120401102001 is an equidigital number, since it uses as much as digits as its factorization.

120401102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40133700670.

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

Adding to 120401102001 its reverse (100201104021), we get a palindrome (220602206022).

The spelling of 120401102001 in words is "one hundred twenty billion, four hundred one million, one hundred two thousand, one".