21120222022099 has 8 divisors (see below), whose sum is σ = 21125894549760. Its totient is φ = 21114550248000.

The previous prime is 21120222022093. The next prime is 21120222022127. The reversal of 21120222022099 is 99022022202112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21120222022099 - 2¹³ = 21120222013907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21120222022093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58285119 + ... + 58646359.

It is an arithmetic number, because the mean of its divisors is an integer number (2640736818720).

Almost surely, 2^{21120222022099} is an apocalyptic number.

21120222022099 is a deficient number, since it is larger than the sum of its proper divisors (5672527661).

21120222022099 is an equidigital number, since it uses as much as digits as its factorization.

21120222022099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376781.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 21120222022099 in words is "twenty-one trillion, one hundred twenty billion, two hundred twenty-two million, twenty-two thousand, ninety-nine".