1221022130335 has 16 divisors (see below), whose sum is σ = 1701996190272. Its totient is φ = 823546540800.

The previous prime is 1221022130327. The next prime is 1221022130389. The reversal of 1221022130335 is 5330312201221.

It is not a de Polignac number, because 1221022130335 - 2³ = 1221022130327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285951526 + ... + 285955795.

It is an arithmetic number, because the mean of its divisors is an integer number (106374761892).

Almost surely, 2^{1221022130335} is an apocalyptic number.

1221022130335 is a deficient number, since it is larger than the sum of its proper divisors (480974059937).

1221022130335 is an equidigital number, since it uses as much as digits as its factorization.

1221022130335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571907394.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1221022130335 its reverse (5330312201221), we get a palindrome (6551334331556).

The spelling of 1221022130335 in words is "one trillion, two hundred twenty-one billion, twenty-two million, one hundred thirty thousand, three hundred thirty-five".