121000111222112 has 24 divisors (see below), whose sum is σ = 238219231559400. Its totient is φ = 60499988921344.

The previous prime is 121000111221937. The next prime is 121000111222129. The reversal of 121000111222112 is 211222111000121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41282939 + ... + 44116677.

It is an arithmetic number, because the mean of its divisors is an integer number (9925801314975).

Almost surely, 2^{121000111222112} is an apocalyptic number.

It is an amenable number.

121000111222112 is a deficient number, since it is larger than the sum of its proper divisors (117219120337288).

121000111222112 is a wasteful number, since it uses less digits than its factorization.

121000111222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168118 (or 4168110 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121000111222112 its reverse (211222111000121), we get a palindrome (332222222222233).

The spelling of 121000111222112 in words is "one hundred twenty-one trillion, one hundred eleven million, two hundred twenty-two thousand, one hundred twelve".