123222021099 has 8 divisors (see below), whose sum is σ = 166142051280. Its totient is φ = 81225002496.

The previous prime is 123222021073. The next prime is 123222021103. The reversal of 123222021099 is 990120222321.

It is a happy number.

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

It is not a de Polignac number, because 123222021099 - 2⁸ = 123222020843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123222021049) 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, 230752582 + ... + 230753115.

It is an arithmetic number, because the mean of its divisors is an integer number (20767756410).

Almost surely, 2^123222021099 is an apocalyptic number.

123222021099 is a deficient number, since it is larger than the sum of its proper divisors (42920030181).

123222021099 is an equidigital number, since it uses as much as digits as its factorization.

123222021099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461505789.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 123222021099 in words is "one hundred twenty-three billion, two hundred twenty-two million, twenty-one thousand, ninety-nine".