2421202135 has 32 divisors (see below), whose sum is σ = 3383913024. Its totient is φ = 1657216000.

The previous prime is 2421202123. The next prime is 2421202139. The reversal of 2421202135 is 5312021242.

It is a happy number.

It is not a de Polignac number, because 2421202135 - 2⁵ = 2421202103 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 (2421202139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102435 + ... + 123835.

It is an arithmetic number, because the mean of its divisors is an integer number (105747282).

Almost surely, 2^2421202135 is an apocalyptic number.

2421202135 is a deficient number, since it is larger than the sum of its proper divisors (962710889).

2421202135 is a wasteful number, since it uses less digits than its factorization.

2421202135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21456 (or 21434 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2421202135 is about 49205.7124224414. The cubic root of 2421202135 is about 1342.7969601092.

Adding to 2421202135 its reverse (5312021242), we get a palindrome (7733223377).

The spelling of 2421202135 in words is "two billion, four hundred twenty-one million, two hundred two thousand, one hundred thirty-five".