121222102110102 has 24 divisors (see below), whose sum is σ = 300169014749136. Its totient is φ = 34634886317136.

The previous prime is 121222102110079. The next prime is 121222102110121. The reversal of 121222102110102 is 201011201222121.

121222102110102 is a `hidden beast` number, since 121 + 22 + 210 + 211 + 0 + 102 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 481040087613 + ... + 481040087864.

It is an arithmetic number, because the mean of its divisors is an integer number (12507042281214).

Almost surely, 2^{121222102110102} is an apocalyptic number.

121222102110102 is an abundant number, since it is smaller than the sum of its proper divisors (178946912639034).

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

121222102110102 is a wasteful number, since it uses less digits than its factorization.

121222102110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962080175492 (or 962080175489 counting only the distinct ones).

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

Adding to 121222102110102 its reverse (201011201222121), we get a palindrome (322233303332223).

The spelling of 121222102110102 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred two million, one hundred ten thousand, one hundred two".