1402221204321 has 16 divisors (see below), whose sum is σ = 2136773651328. Its totient is φ = 801248400000.

The previous prime is 1402221204281. The next prime is 1402221204331. The reversal of 1402221204321 is 1234021222041.

It is not a de Polignac number, because 1402221204321 - 2⁹ = 1402221203809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1402221204291 and 1402221204300.

It is not an unprimeable number, because it can be changed into a prime (1402221204331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24180 + ... + 1674821.

It is an arithmetic number, because the mean of its divisors is an integer number (133548353208).

Almost surely, 2^{1402221204321} is an apocalyptic number.

It is an amenable number.

1402221204321 is a deficient number, since it is larger than the sum of its proper divisors (734552447007).

1402221204321 is a wasteful number, since it uses less digits than its factorization.

1402221204321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738312.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1402221204321 its reverse (1234021222041), we get a palindrome (2636242426362).

The spelling of 1402221204321 in words is "one trillion, four hundred two billion, two hundred twenty-one million, two hundred four thousand, three hundred twenty-one".