121102212122 has 16 divisors (see below), whose sum is σ = 191411816640. Its totient is φ = 57304866528.

The previous prime is 121102212073. The next prime is 121102212139. The reversal of 121102212122 is 221212201121.

It is a self number, because there is not a number n which added to its sum of digits gives 121102212122.

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, 1611083 + ... + 1684574.

It is an arithmetic number, because the mean of its divisors is an integer number (11963238540).

Almost surely, 2^121102212122 is an apocalyptic number.

121102212122 is a deficient number, since it is larger than the sum of its proper divisors (70309604518).

121102212122 is a wasteful number, since it uses less digits than its factorization.

121102212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296645.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121102212122 its reverse (221212201121), we get a palindrome (342314413243).

The spelling of 121102212122 in words is "one hundred twenty-one billion, one hundred two million, two hundred twelve thousand, one hundred twenty-two".