1202220013321 has 4 divisors (see below), whose sum is σ = 1272938837652. Its totient is φ = 1131501188992.

The previous prime is 1202220013289. The next prime is 1202220013327. The reversal of 1202220013321 is 1233100222021.

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 496517529600 + 705702483721 = 704640^2 + 840061^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202220013321 - 2⁵ = 1202220013289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202220013327) 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, 35359412140 + ... + 35359412173.

It is an arithmetic number, because the mean of its divisors is an integer number (318234709413).

Almost surely, 2^{1202220013321} is an apocalyptic number.

It is an amenable number.

1202220013321 is a deficient number, since it is larger than the sum of its proper divisors (70718824331).

1202220013321 is an equidigital number, since it uses as much as digits as its factorization.

1202220013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70718824330.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1202220013321 its reverse (1233100222021), we get a palindrome (2435320235342).

The spelling of 1202220013321 in words is "one trillion, two hundred two billion, two hundred twenty million, thirteen thousand, three hundred twenty-one".