122241779999 has 8 divisors (see below), whose sum is σ = 125243585280. Its totient is φ = 119247200856.

The previous prime is 122241779927. The next prime is 122241780053. The reversal of 122241779999 is 999977142221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122241779999 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 (122241779909) 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, 1772279 + ... + 1839960.

It is an arithmetic number, because the mean of its divisors is an integer number (15655448160).

Almost surely, 2^122241779999 is an apocalyptic number.

122241779999 is a deficient number, since it is larger than the sum of its proper divisors (3001805281).

122241779999 is an equidigital number, since it uses as much as digits as its factorization.

122241779999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613069.

The product of its digits is 10287648, while the sum is 62.

The spelling of 122241779999 in words is "one hundred twenty-two billion, two hundred forty-one million, seven hundred seventy-nine thousand, nine hundred ninety-nine".