1321222303102 has 32 divisors (see below), whose sum is σ = 2314945985184. Its totient is φ = 559926451200.

The previous prime is 1321222303091. The next prime is 1321222303109. The reversal of 1321222303102 is 2013032221231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321222303109) 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, 36435424 + ... + 36471667.

It is an arithmetic number, because the mean of its divisors is an integer number (72342062037).

Almost surely, 2^{1321222303102} is an apocalyptic number.

1321222303102 is a deficient number, since it is larger than the sum of its proper divisors (993723682082).

1321222303102 is a wasteful number, since it uses less digits than its factorization.

1321222303102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72907164.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1321222303102 its reverse (2013032221231), we get a palindrome (3334254524333).

The spelling of 1321222303102 in words is "one trillion, three hundred twenty-one billion, two hundred twenty-two million, three hundred three thousand, one hundred two".