121020212221112 has 16 divisors (see below), whose sum is σ = 227241281279400. Its totient is φ = 60422537213280.

The previous prime is 121020212221067. The next prime is 121020212221121. The reversal of 121020212221112 is 211122212020121.

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, 10946106287 + ... + 10946117342.

Almost surely, 2^{121020212221112} is an apocalyptic number.

It is an amenable number.

121020212221112 is a deficient number, since it is larger than the sum of its proper divisors (106221069058288).

121020212221112 is a wasteful number, since it uses less digits than its factorization.

121020212221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21892224326 (or 21892224322 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121020212221112 its reverse (211122212020121), we get a palindrome (332142424241233).

The spelling of 121020212221112 in words is "one hundred twenty-one trillion, twenty billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twelve".