121152111122 has 16 divisors (see below), whose sum is σ = 209594742720. Its totient is φ = 51445981008.

The previous prime is 121152111121. The next prime is 121152111131. The reversal of 121152111122 is 221111251121.

It is a junction number, because it is equal to n+sod(n) for n = 121152111094 and 121152111103.

It is not an unprimeable number, because it can be changed into a prime (121152111121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39694448 + ... + 39697499.

It is an arithmetic number, because the mean of its divisors is an integer number (13099671420).

Almost surely, 2^121152111122 is an apocalyptic number.

121152111122 is a deficient number, since it is larger than the sum of its proper divisors (88442631598).

121152111122 is a wasteful number, since it uses less digits than its factorization.

121152111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79392065.

The product of its digits is 80, while the sum is 20.

Adding to 121152111122 its reverse (221111251121), we get a palindrome (342263362243).

The spelling of 121152111122 in words is "one hundred twenty-one billion, one hundred fifty-two million, one hundred eleven thousand, one hundred twenty-two".