311100221311222 has 128 divisors (see below), whose sum is σ = 556700361719040. Its totient is φ = 127570371102720.

The previous prime is 311100221311163. The next prime is 311100221311279. The reversal of 311100221311222 is 222113122001113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311100221311193 and 311100221311202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39615457848 + ... + 39615465700.

It is an arithmetic number, because the mean of its divisors is an integer number (4349221575930).

Almost surely, 2^{311100221311222} is an apocalyptic number.

311100221311222 is a deficient number, since it is larger than the sum of its proper divisors (245600140407818).

311100221311222 is a wasteful number, since it uses less digits than its factorization.

311100221311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9626.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 311100221311222 its reverse (222113122001113), we get a palindrome (533213343312335).

The spelling of 311100221311222 in words is "three hundred eleven trillion, one hundred billion, two hundred twenty-one million, three hundred eleven thousand, two hundred twenty-two".