1321034020222 has 16 divisors (see below), whose sum is σ = 2281917002112. Its totient is φ = 561835623960.

The previous prime is 1321034020219. The next prime is 1321034020223. The reversal of 1321034020222 is 2220204301231.

It is a junction number, because it is equal to n+sod(n) for n = 1321034020193 and 1321034020202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321034020223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360149208 + ... + 360152875.

It is an arithmetic number, because the mean of its divisors is an integer number (142619812632).

Almost surely, 2^{1321034020222} is an apocalyptic number.

1321034020222 is a deficient number, since it is larger than the sum of its proper divisors (960882981890).

1321034020222 is a wasteful number, since it uses less digits than its factorization.

1321034020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720302223.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1321034020222 its reverse (2220204301231), we get a palindrome (3541238321453).

The spelling of 1321034020222 in words is "one trillion, three hundred twenty-one billion, thirty-four million, twenty thousand, two hundred twenty-two".