122002111211121 has 40 divisors (see below), whose sum is σ = 182439723422880. Its totient is φ = 81250139783232.

The previous prime is 122002111211117. The next prime is 122002111211209. The reversal of 122002111211121 is 121112111200221.

It is a happy number.

122002111211121 is a `hidden beast` number, since 1 + 220 + 0 + 2 + 111 + 211 + 121 = 666.

It is not a de Polignac number, because 122002111211121 - 2² = 122002111211117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122002111211094 and 122002111211103.

It is not an unprimeable number, because it can be changed into a prime (122002111211021) 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 39 ways as a sum of consecutive naturals, for example, 343000050 + ... + 343355556.

It is an arithmetic number, because the mean of its divisors is an integer number (4560993085572).

Almost surely, 2^{122002111211121} is an apocalyptic number.

It is an amenable number.

122002111211121 is a deficient number, since it is larger than the sum of its proper divisors (60437612211759).

122002111211121 is a wasteful number, since it uses less digits than its factorization.

122002111211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359915 (or 359906 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 122002111211121 its reverse (121112111200221), we get a palindrome (243114222411342).

The spelling of 122002111211121 in words is "one hundred twenty-two trillion, two billion, one hundred eleven million, two hundred eleven thousand, one hundred twenty-one".