121311102202 has 16 divisors (see below), whose sum is σ = 182819411712. Its totient is φ = 60371408160.

The previous prime is 121311102163. The next prime is 121311102203. The reversal of 121311102202 is 202201113121.

It is not an unprimeable number, because it can be changed into a prime (121311102203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2442238 + ... + 2491414.

It is an arithmetic number, because the mean of its divisors is an integer number (11426213232).

Almost surely, 2^121311102202 is an apocalyptic number.

121311102202 is a deficient number, since it is larger than the sum of its proper divisors (61508309510).

121311102202 is a wasteful number, since it uses less digits than its factorization.

121311102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54933.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121311102202 its reverse (202201113121), we get a palindrome (323512215323).

The spelling of 121311102202 in words is "one hundred twenty-one billion, three hundred eleven million, one hundred two thousand, two hundred two".