122231100121 has 16 divisors (see below), whose sum is σ = 139744483200. Its totient is φ = 105911463168.

The previous prime is 122231100119. The next prime is 122231100127. The reversal of 122231100121 is 121001132221.

It is a cyclic number.

It is not a de Polignac number, because 122231100121 - 2¹ = 122231100119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122231100095 and 122231100104.

It is not an unprimeable number, because it can be changed into a prime (122231100127) 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, 645901 + ... + 813418.

It is an arithmetic number, because the mean of its divisors is an integer number (8734030200).

Almost surely, 2^122231100121 is an apocalyptic number.

It is an amenable number.

122231100121 is a deficient number, since it is larger than the sum of its proper divisors (17513383079).

122231100121 is a wasteful number, since it uses less digits than its factorization.

122231100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459728.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 122231100121 its reverse (121001132221), we get a palindrome (243232232342).

The spelling of 122231100121 in words is "one hundred twenty-two billion, two hundred thirty-one million, one hundred thousand, one hundred twenty-one".