121101120101212 has 24 divisors (see below), whose sum is σ = 212156632970352. Its totient is φ = 60484945968000.

The previous prime is 121101120101209. The next prime is 121101120101317. The reversal of 121101120101212 is 212101021101121.

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, 72162462 + ... + 73821562.

It is an arithmetic number, because the mean of its divisors is an integer number (8839859707098).

Almost surely, 2^{121101120101212} is an apocalyptic number.

It is an amenable number.

121101120101212 is a deficient number, since it is larger than the sum of its proper divisors (91055512869140).

121101120101212 is a wasteful number, since it uses less digits than its factorization.

121101120101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678869 (or 1678867 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 121101120101212 its reverse (212101021101121), we get a palindrome (333202141202333).

Subtracting 121101120101212 from its reverse (212101021101121), we obtain a palindrome (90999900999909).

The spelling of 121101120101212 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred twenty million, one hundred one thousand, two hundred twelve".