2001101541 has 8 divisors (see below), whose sum is σ = 2675568960. Its totient is φ = 1330350912.

The previous prime is 2001101539. The next prime is 2001101573. The reversal of 2001101541 is 1451011002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2001101541 - 2¹ = 2001101539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001101541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001101341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927940 + ... + 930093.

It is an arithmetic number, because the mean of its divisors is an integer number (334446120).

Almost surely, 2^2001101541 is an apocalyptic number.

It is an amenable number.

2001101541 is a deficient number, since it is larger than the sum of its proper divisors (674467419).

2001101541 is a wasteful number, since it uses less digits than its factorization.

2001101541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858395.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 2001101541 is about 44733.6734574750. The cubic root of 2001101541 is about 1260.1523165573.

Adding to 2001101541 its reverse (1451011002), we get a palindrome (3452112543).

The spelling of 2001101541 in words is "two billion, one million, one hundred one thousand, five hundred forty-one".