121232211122 has 16 divisors (see below), whose sum is σ = 200344143744. Its totient is φ = 54559950000.

The previous prime is 121232211119. The next prime is 121232211137. The reversal of 121232211122 is 221112232121.

It is a junction number, because it is equal to n+sod(n) for n = 121232211094 and 121232211103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27277754 + ... + 27282197.

It is an arithmetic number, because the mean of its divisors is an integer number (12521508984).

Almost surely, 2^121232211122 is an apocalyptic number.

121232211122 is a deficient number, since it is larger than the sum of its proper divisors (79111932622).

121232211122 is a wasteful number, since it uses less digits than its factorization.

121232211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54560065.

The product of its digits is 192, while the sum is 20.

Adding to 121232211122 its reverse (221112232121), we get a palindrome (342344443243).

The spelling of 121232211122 in words is "one hundred twenty-one billion, two hundred thirty-two million, two hundred eleven thousand, one hundred twenty-two".