121110112020112 has 10 divisors (see below), whose sum is σ = 234650842038998. Its totient is φ = 60555056010048.

The previous prime is 121110112019959. The next prime is 121110112020169. The reversal of 121110112020112 is 211020211011121.

It can be written as a sum of positive squares in only one way, i.e., 110542177321216 + 10567934698896 = 10513904^2 + 3250836^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 7569382001257 = 121110112020112 / (1 + 2 + 1 + 1 + 1 + 0 + 1 + 1 + 2 + 0 + 2 + 0 + 1 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3784691000613 + ... + 3784691000644.

Almost surely, 2^{121110112020112} is an apocalyptic number.

It is an amenable number.

121110112020112 is a deficient number, since it is larger than the sum of its proper divisors (113540730018886).

121110112020112 is an equidigital number, since it uses as much as digits as its factorization.

121110112020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569382001265 (or 7569382001259 counting only the distinct ones).

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

Adding to 121110112020112 its reverse (211020211011121), we get a palindrome (332130323031233).

The spelling of 121110112020112 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred twelve million, twenty thousand, one hundred twelve".