121003112 has 16 divisors (see below), whose sum is σ = 228890340. Its totient is φ = 59965696.

The previous prime is 121003111. The next prime is 121003123. The reversal of 121003112 is 211300121.

It can be written as a sum of positive squares in 2 ways, for example, as 120253156 + 749956 = 10966^2 + 866^2 .

It is a super-2 number, since 2×121003112² = 29283506227369088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121003093 and 121003102.

It is not an unprimeable number, because it can be changed into a prime (121003111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66023 + ... + 67830.

Almost surely, 2^121003112 is an apocalyptic number.

It is an amenable number.

121003112 is a deficient number, since it is larger than the sum of its proper divisors (107887228).

121003112 is a wasteful number, since it uses less digits than its factorization.

121003112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133972 (or 133968 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121003112 is about 11000.1414536359. The cubic root of 121003112 is about 494.6129845706.

Adding to 121003112 its reverse (211300121), we get a palindrome (332303233).

The spelling of 121003112 in words is "one hundred twenty-one million, three thousand, one hundred twelve".