1321122010133 has 16 divisors (see below), whose sum is σ = 1356591366144. Its totient is φ = 1285962312240.

The previous prime is 1321122010099. The next prime is 1321122010183. The reversal of 1321122010133 is 3310102211231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1321122010133 - 2¹⁴ = 1321121993749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321122010183) 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, 49602566 + ... + 49629192.

It is an arithmetic number, because the mean of its divisors is an integer number (84786960384).

Almost surely, 2^{1321122010133} is an apocalyptic number.

It is an amenable number.

1321122010133 is a deficient number, since it is larger than the sum of its proper divisors (35469356011).

1321122010133 is a wasteful number, since it uses less digits than its factorization.

1321122010133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32392.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1321122010133 its reverse (3310102211231), we get a palindrome (4631224221364).

The spelling of 1321122010133 in words is "one trillion, three hundred twenty-one billion, one hundred twenty-two million, ten thousand, one hundred thirty-three".