1321000340222 has 16 divisors (see below), whose sum is σ = 2098165362480. Its totient is φ = 621615811968.

The previous prime is 1321000340207. The next prime is 1321000340267. The reversal of 1321000340222 is 2220430001231.

It is a junction number, because it is equal to n+sod(n) for n = 1321000340194 and 1321000340203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291572 + ... + 1651367.

It is an arithmetic number, because the mean of its divisors is an integer number (131135335155).

Almost surely, 2^{1321000340222} is an apocalyptic number.

1321000340222 is a deficient number, since it is larger than the sum of its proper divisors (777165022258).

1321000340222 is a wasteful number, since it uses less digits than its factorization.

1321000340222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962955.

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

Adding to 1321000340222 its reverse (2220430001231), we get a palindrome (3541430341453).

The spelling of 1321000340222 in words is "one trillion, three hundred twenty-one billion, three hundred forty thousand, two hundred twenty-two".