121201021112 has 16 divisors (see below), whose sum is σ = 227278026360. Its totient is φ = 60593547424.

The previous prime is 121201021087. The next prime is 121201021121. The reversal of 121201021112 is 211120102121.

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, 796043 + ... + 935994.

Almost surely, 2^121201021112 is an apocalyptic number.

It is an amenable number.

121201021112 is a deficient number, since it is larger than the sum of its proper divisors (106077005248).

121201021112 is a wasteful number, since it uses less digits than its factorization.

121201021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740790 (or 1740786 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121201021112 its reverse (211120102121), we get a palindrome (332321123233).

The spelling of 121201021112 in words is "one hundred twenty-one billion, two hundred one million, twenty-one thousand, one hundred twelve".