121201112122 has 8 divisors (see below), whose sum is σ = 181808479872. Its totient is φ = 60598285500.

The previous prime is 121201112033. The next prime is 121201112143. The reversal of 121201112122 is 221211102121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121201112096 and 121201112105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067754 + ... + 1175797.

It is an arithmetic number, because the mean of its divisors is an integer number (22726059984).

Almost surely, 2^121201112122 is an apocalyptic number.

121201112122 is a deficient number, since it is larger than the sum of its proper divisors (60607367750).

121201112122 is a wasteful number, since it uses less digits than its factorization.

121201112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270564.

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

Adding to 121201112122 its reverse (221211102121), we get a palindrome (342412214243).

The spelling of 121201112122 in words is "one hundred twenty-one billion, two hundred one million, one hundred twelve thousand, one hundred twenty-two".