122066566361 has 4 divisors (see below), whose sum is σ = 122068332672. Its totient is φ = 122064800052.

The previous prime is 122066566357. The next prime is 122066566379. The reversal of 122066566361 is 163665660221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122066566361 - 2² = 122066566357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122066566561) 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, 775085 + ... + 919178.

It is an arithmetic number, because the mean of its divisors is an integer number (30517083168).

Almost surely, 2^122066566361 is an apocalyptic number.

It is an amenable number.

122066566361 is a deficient number, since it is larger than the sum of its proper divisors (1766311).

122066566361 is an equidigital number, since it uses as much as digits as its factorization.

122066566361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766310.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 122066566361 in words is "one hundred twenty-two billion, sixty-six million, five hundred sixty-six thousand, three hundred sixty-one".