4121540101 has 4 divisors (see below), whose sum is σ = 4710331552. Its totient is φ = 3532748652.

The previous prime is 4121540099. The next prime is 4121540113. The reversal of 4121540101 is 1010451214.

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.

It is a cyclic number.

It is not a de Polignac number, because 4121540101 - 2¹ = 4121540099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121540141) 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 3 ways as a sum of consecutive naturals, for example, 294395715 + ... + 294395728.

It is an arithmetic number, because the mean of its divisors is an integer number (1177582888).

Almost surely, 2^4121540101 is an apocalyptic number.

It is an amenable number.

4121540101 is a deficient number, since it is larger than the sum of its proper divisors (588791451).

4121540101 is an equidigital number, since it uses as much as digits as its factorization.

4121540101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588791450.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 4121540101 is about 64199.2219656905. The cubic root of 4121540101 is about 1603.3186458439.

Adding to 4121540101 its reverse (1010451214), we get a palindrome (5131991315).

The spelling of 4121540101 in words is "four billion, one hundred twenty-one million, five hundred forty thousand, one hundred one".