2240100023321 has 4 divisors (see below), whose sum is σ = 2240331042612. Its totient is φ = 2239869004032.

The previous prime is 2240100023311. The next prime is 2240100023323. The reversal of 2240100023321 is 1233200010422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1129108134025 + 1110991889296 = 1062595^2 + 1054036^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240100023321 - 2⁶ = 2240100023257 is a prime.

It is a super-2 number, since 2×2240100023321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2240100023293 and 2240100023302.

It is not an unprimeable number, because it can be changed into a prime (2240100023323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115495100 + ... + 115514493.

It is an arithmetic number, because the mean of its divisors is an integer number (560082760653).

Almost surely, 2^{2240100023321} is an apocalyptic number.

It is an amenable number.

2240100023321 is a deficient number, since it is larger than the sum of its proper divisors (231019291).

2240100023321 is an equidigital number, since it uses as much as digits as its factorization.

2240100023321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231019290.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2240100023321 its reverse (1233200010422), we get a palindrome (3473300033743).

The spelling of 2240100023321 in words is "two trillion, two hundred forty billion, one hundred million, twenty-three thousand, three hundred twenty-one".