20221110999 has 16 divisors (see below), whose sum is σ = 30136592640. Its totient is φ = 13400014680.

The previous prime is 20221110991. The next prime is 20221111021. The reversal of 20221110999 is 99901112202.

It is not a de Polignac number, because 20221110999 - 2³ = 20221110991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221110991) 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 15 ways as a sum of consecutive naturals, for example, 2237797 + ... + 2246814.

It is an arithmetic number, because the mean of its divisors is an integer number (1883537040).

Almost surely, 2^20221110999 is an apocalyptic number.

20221110999 is a deficient number, since it is larger than the sum of its proper divisors (9915481641).

20221110999 is a wasteful number, since it uses less digits than its factorization.

20221110999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484787 (or 4484781 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 20221110999 in words is "twenty billion, two hundred twenty-one million, one hundred ten thousand, nine hundred ninety-nine".