121110202122102 has 12 divisors (see below), whose sum is σ = 262405437931260. Its totient is φ = 40370067374028.

The previous prime is 121110202122101. The next prime is 121110202122131. The reversal of 121110202122102 is 201221202011121.

121110202122102 is a `hidden beast` number, since 1 + 211 + 10 + 20 + 212 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6728344562339 = 121110202122102 / (1 + 2 + 1 + 1 + 1 + 0 + 2 + 0 + 2 + 1 + 2 + 2 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110202122101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3364172281152 + ... + 3364172281187.

It is an arithmetic number, because the mean of its divisors is an integer number (21867119827605).

Almost surely, 2^{121110202122102} is an apocalyptic number.

121110202122102 is an abundant number, since it is smaller than the sum of its proper divisors (141295235809158).

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

121110202122102 is a wasteful number, since it uses less digits than its factorization.

121110202122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728344562347 (or 6728344562344 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121110202122102 its reverse (201221202011121), we get a palindrome (322331404133223).

The spelling of 121110202122102 in words is "one hundred twenty-one trillion, one hundred ten billion, two hundred two million, one hundred twenty-two thousand, one hundred two".