122605453011 has 4 divisors (see below), whose sum is σ = 163473937352. Its totient is φ = 81736968672.

The previous prime is 122605452979. The next prime is 122605453021. The reversal of 122605453011 is 110354506221.

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

It is not a de Polignac number, because 122605453011 - 2⁵ = 122605452979 is a prime.

It is a super-2 number, since 2×122605453011² (a number of 23 digits) contains 22 as substring.

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 122605453011.

It is not an unprimeable number, because it can be changed into a prime (122605453021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20434242166 + ... + 20434242171.

It is an arithmetic number, because the mean of its divisors is an integer number (40868484338).

Almost surely, 2^122605453011 is an apocalyptic number.

122605453011 is a deficient number, since it is larger than the sum of its proper divisors (40868484341).

122605453011 is an equidigital number, since it uses as much as digits as its factorization.

122605453011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40868484340.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 122605453011 its reverse (110354506221), we get a palindrome (232959959232).

The spelling of 122605453011 in words is "one hundred twenty-two billion, six hundred five million, four hundred fifty-three thousand, eleven".