121021000112 has 20 divisors (see below), whose sum is σ = 239467086816. Its totient is φ = 59223042240.

The previous prime is 121021000091. The next prime is 121021000153. The reversal of 121021000112 is 211000120121.

It is a junction number, because it is equal to n+sod(n) for n = 121021000093 and 121021000102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80465339 + ... + 80466842.

Almost surely, 2^121021000112 is an apocalyptic number.

It is an amenable number.

121021000112 is a deficient number, since it is larger than the sum of its proper divisors (118446086704).

121021000112 is a wasteful number, since it uses less digits than its factorization.

121021000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160932236 (or 160932230 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121021000112 its reverse (211000120121), we get a palindrome (332021120233).

The spelling of 121021000112 in words is "one hundred twenty-one billion, twenty-one million, one hundred twelve", and thus it is an aban number.