122124253211 has 16 divisors (see below), whose sum is σ = 123996687360. Its totient is φ = 120268592640.

The previous prime is 122124253201. The next prime is 122124253213. The reversal of 122124253211 is 112352421221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122124253211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122124253213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13074935 + ... + 13084271.

It is an arithmetic number, because the mean of its divisors is an integer number (7749792960).

Almost surely, 2^122124253211 is an apocalyptic number.

122124253211 is a deficient number, since it is larger than the sum of its proper divisors (1872434149).

122124253211 is a wasteful number, since it uses less digits than its factorization.

122124253211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214.

The product of its digits is 1920, while the sum is 26.

Adding to 122124253211 its reverse (112352421221), we get a palindrome (234476674432).

The spelling of 122124253211 in words is "one hundred twenty-two billion, one hundred twenty-four million, two hundred fifty-three thousand, two hundred eleven".