311221032210022 has 16 divisors (see below), whose sum is σ = 539227884685392. Its totient is φ = 133142687576320.

The previous prime is 311221032209999. The next prime is 311221032210083. The reversal of 311221032210022 is 220012230122113.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 311221032209975 and 311221032210002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416070898303 + ... + 416070899050.

It is an arithmetic number, because the mean of its divisors is an integer number (33701742792837).

Almost surely, 2^{311221032210022} is an apocalyptic number.

311221032210022 is a deficient number, since it is larger than the sum of its proper divisors (228006852475370).

311221032210022 is a wasteful number, since it uses less digits than its factorization.

311221032210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832141797383.

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

Adding to 311221032210022 its reverse (220012230122113), we get a palindrome (531233262332135).

The spelling of 311221032210022 in words is "three hundred eleven trillion, two hundred twenty-one billion, thirty-two million, two hundred ten thousand, twenty-two".