2402320011021 has 40 divisors (see below), whose sum is σ = 4101464214144. Its totient is φ = 1372704446880.

The previous prime is 2402320011011. The next prime is 2402320011083. The reversal of 2402320011021 is 1201100232042.

It is a happy number.

2402320011021 is a `hidden beast` number, since 240 + 2 + 320 + 0 + 1 + 102 + 1 = 666.

It is not a de Polignac number, because 2402320011021 - 2¹¹ = 2402320008973 is a prime.

It is a super-2 number, since 2×2402320011021² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2402320010985 and 2402320011003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402320011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20315056 + ... + 20432966.

Almost surely, 2^{2402320011021} is an apocalyptic number.

2402320011021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2402320011021 is a deficient number, since it is larger than the sum of its proper divisors (1699144203123).

2402320011021 is a wasteful number, since it uses less digits than its factorization.

2402320011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153863 (or 153854 counting only the distinct ones).

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

Adding to 2402320011021 its reverse (1201100232042), we get a palindrome (3603420243063).

The spelling of 2402320011021 in words is "two trillion, four hundred two billion, three hundred twenty million, eleven thousand, twenty-one".