1220023321411 has 2 divisors, whose sum is σ = 1220023321412. Its totient is φ = 1220023321410.

The previous prime is 1220023321399. The next prime is 1220023321477. The reversal of 1220023321411 is 1141233200221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220023321411 - 2²¹ = 1220021224259 is a prime.

It is a super-2 number, since 2×1220023321411² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1220023321511) by changing a digit.

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 as a sum of consecutive naturals, namely, 610011660705 + 610011660706.

It is an arithmetic number, because the mean of its divisors is an integer number (610011660706).

Almost surely, 2^{1220023321411} is an apocalyptic number.

1220023321411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220023321411 is an equidigital number, since it uses as much as digits as its factorization.

1220023321411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1220023321411 its reverse (1141233200221), we get a palindrome (2361256521632).

The spelling of 1220023321411 in words is "one trillion, two hundred twenty billion, twenty-three million, three hundred twenty-one thousand, four hundred eleven".