1220321313022 has 8 divisors (see below), whose sum is σ = 2091979393776. Its totient is φ = 522994848432.

The previous prime is 1220321313007. The next prime is 1220321313061. The reversal of 1220321313022 is 2203131230221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1220321312984 and 1220321313002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43582904023 + ... + 43582904050.

It is an arithmetic number, because the mean of its divisors is an integer number (261497424222).

Almost surely, 2^{1220321313022} is an apocalyptic number.

1220321313022 is a deficient number, since it is larger than the sum of its proper divisors (871658080754).

1220321313022 is an equidigital number, since it uses as much as digits as its factorization.

1220321313022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87165808082.

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

Adding to 1220321313022 its reverse (2203131230221), we get a palindrome (3423452543243).

The spelling of 1220321313022 in words is "one trillion, two hundred twenty billion, three hundred twenty-one million, three hundred thirteen thousand, twenty-two".