122656611011 has 8 divisors (see below), whose sum is σ = 133824174384. Its totient is φ = 111491874720.

The previous prime is 122656610963. The next prime is 122656611047. The reversal of 122656611011 is 110116656221.

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-122656611011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122656611911) 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, 615536 + ... + 790061.

It is an arithmetic number, because the mean of its divisors is an integer number (16728021798).

Almost surely, 2^122656611011 is an apocalyptic number.

122656611011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122656611011 is a deficient number, since it is larger than the sum of its proper divisors (11167563373).

122656611011 is a wasteful number, since it uses less digits than its factorization.

122656611011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413541.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 122656611011 in words is "one hundred twenty-two billion, six hundred fifty-six million, six hundred eleven thousand, eleven".