2321102421 has 48 divisors (see below), whose sum is σ = 3742614720. Its totient is φ = 1374293760.

The previous prime is 2321102417. The next prime is 2321102423. The reversal of 2321102421 is 1242011232.

It is a happy number.

2321102421 is a `hidden beast` number, since 232 + 1 + 10 + 2 + 421 = 666.

It is not a de Polignac number, because 2321102421 - 2² = 2321102417 is a prime.

It is a super-2 number, since 2×2321102421² = 10775032897544122482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2321102394 and 2321102403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321102423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1009345 + ... + 1011641.

It is an arithmetic number, because the mean of its divisors is an integer number (77971140).

Almost surely, 2^2321102421 is an apocalyptic number.

It is an amenable number.

2321102421 is a deficient number, since it is larger than the sum of its proper divisors (1421512299).

2321102421 is a wasteful number, since it uses less digits than its factorization.

2321102421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2321102421 is about 48177.8208411298. The cubic root of 2321102421 is about 1324.0308414988.

Adding to 2321102421 its reverse (1242011232), we get a palindrome (3563113653).

The spelling of 2321102421 in words is "two billion, three hundred twenty-one million, one hundred two thousand, four hundred twenty-one".