1320022222211 has 16 divisors (see below), whose sum is σ = 1645782789888. Its totient is φ = 1028563245600.

The previous prime is 1320022222163. The next prime is 1320022222223. The reversal of 1320022222211 is 1122222200231.

It is not a de Polignac number, because 1320022222211 - 2¹⁰ = 1320022221187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320022222411) 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, 3285161 + ... + 3665013.

It is an arithmetic number, because the mean of its divisors is an integer number (102861424368).

Almost surely, 2^{1320022222211} is an apocalyptic number.

1320022222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320022222211 is a deficient number, since it is larger than the sum of its proper divisors (325760567677).

1320022222211 is a wasteful number, since it uses less digits than its factorization.

1320022222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425002.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1320022222211 its reverse (1122222200231), we get a palindrome (2442244422442).

The spelling of 1320022222211 in words is "one trillion, three hundred twenty billion, twenty-two million, two hundred twenty-two thousand, two hundred eleven".