122425550220011 has 4 divisors (see below), whose sum is σ = 124735466261952. Its totient is φ = 120115634178072.

The previous prime is 122425550219957. The next prime is 122425550220109. The reversal of 122425550220011 is 110022055524221.

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

It is a cyclic number.

It is not a de Polignac number, because 122425550220011 - 2¹⁰ = 122425550218987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122425550220011.

It is not an unprimeable number, because it can be changed into a prime (122425550222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154958020891 + ... + 1154958020996.

It is an arithmetic number, because the mean of its divisors is an integer number (31183866565488).

Almost surely, 2^{122425550220011} is an apocalyptic number.

122425550220011 is a deficient number, since it is larger than the sum of its proper divisors (2309916041941).

122425550220011 is an equidigital number, since it uses as much as digits as its factorization.

122425550220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309916041940.

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 122425550220011 in words is "one hundred twenty-two trillion, four hundred twenty-five billion, five hundred fifty million, two hundred twenty thousand, eleven".