20221211108 has 12 divisors (see below), whose sum is σ = 40442422272. Its totient is φ = 8666233320.

The previous prime is 20221211083. The next prime is 20221211113. The reversal of 20221211108 is 80111212202.

20221211108 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20221211108.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 361093028 + ... + 361093083.

It is an arithmetic number, because the mean of its divisors is an integer number (3370201856).

Almost surely, 2^20221211108 is an apocalyptic number.

20221211108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20221211108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20221211108 is a wasteful number, since it uses less digits than its factorization.

20221211108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722186122 (or 722186120 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 20221211108 in words is "twenty billion, two hundred twenty-one million, two hundred eleven thousand, one hundred eight".