20122210019999 has 4 divisors (see below), whose sum is σ = 20125908281280. Its totient is φ = 20118511758720.

The previous prime is 20122210019941. The next prime is 20122210020047. The reversal of 20122210019999 is 99991001222102.

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

It is a cyclic number.

It is not a de Polignac number, because 20122210019999 - 2²⁴ = 20122193242783 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 (20122210019909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849122479 + ... + 1849133360.

It is an arithmetic number, because the mean of its divisors is an integer number (5031477070320).

Almost surely, 2^{20122210019999} is an apocalyptic number.

20122210019999 is a deficient number, since it is larger than the sum of its proper divisors (3698261281).

20122210019999 is an equidigital number, since it uses as much as digits as its factorization.

20122210019999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698261280.

The product of its (nonzero) digits is 104976, while the sum is 47.

The spelling of 20122210019999 in words is "twenty trillion, one hundred twenty-two billion, two hundred ten million, nineteen thousand, nine hundred ninety-nine".