2421352101 has 12 divisors (see below), whose sum is σ = 3755566752. Its totient is φ = 1383629688.

The previous prime is 2421352099. The next prime is 2421352147. The reversal of 2421352101 is 1012531242.

It is not a de Polignac number, because 2421352101 - 2¹ = 2421352099 is a prime.

It is a super-2 number, since 2×2421352101² = 11725891994034228402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421342101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8235745 + ... + 8236038.

It is an arithmetic number, because the mean of its divisors is an integer number (312963896).

Almost surely, 2^2421352101 is an apocalyptic number.

2421352101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2421352101 is a deficient number, since it is larger than the sum of its proper divisors (1334214651).

2421352101 is a wasteful number, since it uses less digits than its factorization.

2421352101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16471800 (or 16471793 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2421352101 is about 49207.2362666305. The cubic root of 2421352101 is about 1342.8246832154.

Adding to 2421352101 its reverse (1012531242), we get a palindrome (3433883343).

The spelling of 2421352101 in words is "two billion, four hundred twenty-one million, three hundred fifty-two thousand, one hundred one".