1022211331311 has 4 divisors (see below), whose sum is σ = 1362948441752. Its totient is φ = 681474220872.

The previous prime is 1022211331291. The next prime is 1022211331319. The reversal of 1022211331311 is 1131331122201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1022211331311 - 2¹⁷ = 1022211200239 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 (1022211331319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 170368555216 + ... + 170368555221.

It is an arithmetic number, because the mean of its divisors is an integer number (340737110438).

Almost surely, 2^{1022211331311} is an apocalyptic number.

1022211331311 is a deficient number, since it is larger than the sum of its proper divisors (340737110441).

1022211331311 is an equidigital number, since it uses as much as digits as its factorization.

1022211331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340737110440.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1022211331311 its reverse (1131331122201), we get a palindrome (2153542453512).

The spelling of 1022211331311 in words is "one trillion, twenty-two billion, two hundred eleven million, three hundred thirty-one thousand, three hundred eleven".