121110212122 has 4 divisors (see below), whose sum is σ = 181665318186. Its totient is φ = 60555106060.

The previous prime is 121110212077. The next prime is 121110212207. The reversal of 121110212122 is 221212011121.

121110212122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 116424946521 + 4685265601 = 341211^2 + 68449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121110212096 and 121110212105.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30277553029 + ... + 30277553032.

Almost surely, 2^121110212122 is an apocalyptic number.

121110212122 is a deficient number, since it is larger than the sum of its proper divisors (60555106064).

121110212122 is an equidigital number, since it uses as much as digits as its factorization.

121110212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60555106063.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121110212122 its reverse (221212011121), we get a palindrome (342322223243).

The spelling of 121110212122 in words is "one hundred twenty-one billion, one hundred ten million, two hundred twelve thousand, one hundred twenty-two".