121110212212120 has 32 divisors (see below), whose sum is σ = 272498325019920. Its totient is φ = 48444023099520.

The previous prime is 121110212212111. The next prime is 121110212212151. The reversal of 121110212212120 is 21212212011121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42376654 + ... + 45144226.

Almost surely, 2^{121110212212120} is an apocalyptic number.

121110212212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121110212212120 is an abundant number, since it is smaller than the sum of its proper divisors (151388112807800).

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

121110212212120 is a wasteful number, since it uses less digits than its factorization.

121110212212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861595 (or 3861591 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121110212212120 its reverse (21212212011121), we get a palindrome (142322424223241).

The spelling of 121110212212120 in words is "one hundred twenty-one trillion, one hundred ten billion, two hundred twelve million, two hundred twelve thousand, one hundred twenty".