4041101021 has 4 divisors (see below), whose sum is σ = 4041286044. Its totient is φ = 4040916000.

The previous prime is 4041100927. The next prime is 4041101033. The reversal of 4041101021 is 1201011404.

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 2182197796 + 1858903225 = 46714^2 + 43115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4041101021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4041100987 and 4041101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4041101041) 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, 54560 + ... + 105161.

It is an arithmetic number, because the mean of its divisors is an integer number (1010321511).

Almost surely, 2^4041101021 is an apocalyptic number.

It is an amenable number.

4041101021 is a deficient number, since it is larger than the sum of its proper divisors (185023).

4041101021 is a wasteful number, since it uses less digits than its factorization.

4041101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185022.

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

The square root of 4041101021 is about 63569.6548755772. The cubic root of 4041101021 is about 1592.8195190821.

Adding to 4041101021 its reverse (1201011404), we get a palindrome (5242112425).

The spelling of 4041101021 in words is "four billion, forty-one million, one hundred one thousand, twenty-one".