121102212324 has 48 divisors (see below), whose sum is σ = 294005517120. Its totient is φ = 38750113920.

The previous prime is 121102212311. The next prime is 121102212391. The reversal of 121102212324 is 423212201121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121102212324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945562 + ... + 1065969.

It is an arithmetic number, because the mean of its divisors is an integer number (6125114940).

Almost surely, 2^121102212324 is an apocalyptic number.

It is an amenable number.

121102212324 is an abundant number, since it is smaller than the sum of its proper divisors (172903304796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121102212324 is a wasteful number, since it uses less digits than its factorization.

121102212324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011740 (or 2011738 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121102212324 its reverse (423212201121), we get a palindrome (544314413445).

The spelling of 121102212324 in words is "one hundred twenty-one billion, one hundred two million, two hundred twelve thousand, three hundred twenty-four".