122766471611 has 4 divisors (see below), whose sum is σ = 140304538992. Its totient is φ = 105228404232.

The previous prime is 122766471587. The next prime is 122766471673. The reversal of 122766471611 is 116174667221.

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

It is not a de Polignac number, because 122766471611 - 2²² = 122762277307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122766471211) 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, 8769033680 + ... + 8769033693.

It is an arithmetic number, because the mean of its divisors is an integer number (35076134748).

Almost surely, 2^122766471611 is an apocalyptic number.

122766471611 is a deficient number, since it is larger than the sum of its proper divisors (17538067381).

122766471611 is an equidigital number, since it uses as much as digits as its factorization.

122766471611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17538067380.

The product of its digits is 169344, while the sum is 44.

The spelling of 122766471611 in words is "one hundred twenty-two billion, seven hundred sixty-six million, four hundred seventy-one thousand, six hundred eleven".