2001141401 has 4 divisors (see below), whose sum is σ = 2287018752. Its totient is φ = 1715264052.

The previous prime is 2001141391. The next prime is 2001141403. The reversal of 2001141401 is 1041411002.

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: 1041411002 = 2 ⋅520705501.

It is a cyclic number.

It is not a de Polignac number, because 2001141401 - 2¹⁰ = 2001140377 is a prime.

It is a super-4 number, since 4×2001141401⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001141403) 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, 142938665 + ... + 142938678.

It is an arithmetic number, because the mean of its divisors is an integer number (571754688).

Almost surely, 2^2001141401 is an apocalyptic number.

It is an amenable number.

2001141401 is a deficient number, since it is larger than the sum of its proper divisors (285877351).

2001141401 is an equidigital number, since it uses as much as digits as its factorization.

2001141401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285877350.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2001141401 is about 44734.1189809300. The cubic root of 2001141401 is about 1260.1606835054.

Adding to 2001141401 its reverse (1041411002), we get a palindrome (3042552403).

The spelling of 2001141401 in words is "two billion, one million, one hundred forty-one thousand, four hundred one".