4102240021 has 8 divisors (see below), whose sum is σ = 4541965344. Its totient is φ = 3673647120.

The previous prime is 4102239997. The next prime is 4102240027. The reversal of 4102240021 is 1200422014.

4102240021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4102240021 - 2⁵ = 4102239989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4102239977 and 4102240004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102240027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2782330 + ... + 2783803.

It is an arithmetic number, because the mean of its divisors is an integer number (567745668).

Almost surely, 2^4102240021 is an apocalyptic number.

It is an amenable number.

4102240021 is a deficient number, since it is larger than the sum of its proper divisors (439725323).

4102240021 is a wasteful number, since it uses less digits than its factorization.

4102240021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566211.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4102240021 is about 64048.7316111724. The cubic root of 4102240021 is about 1600.8120904828.

Adding to 4102240021 its reverse (1200422014), we get a palindrome (5302662035).

The spelling of 4102240021 in words is "four billion, one hundred two million, two hundred forty thousand, twenty-one".