121102002102222 has 48 divisors (see below), whose sum is σ = 264136110226560. Its totient is φ = 40098365226000.

The previous prime is 121102002102199. The next prime is 121102002102229. The reversal of 121102002102222 is 222201200201121.

It is a happy number.

121102002102222 is a `hidden beast` number, since 1 + 21 + 10 + 200 + 210 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121102002102195 and 121102002102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102002102229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66670597 + ... + 68462927.

It is an arithmetic number, because the mean of its divisors is an integer number (5502835629720).

Almost surely, 2^{121102002102222} is an apocalyptic number.

121102002102222 is an abundant number, since it is smaller than the sum of its proper divisors (143034108124338).

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

121102002102222 is a wasteful number, since it uses less digits than its factorization.

121102002102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817349 (or 1817346 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121102002102222 its reverse (222201200201121), we get a palindrome (343303202303343).

The spelling of 121102002102222 in words is "one hundred twenty-one trillion, one hundred two billion, two million, one hundred two thousand, two hundred twenty-two".