121112002112 has 14 divisors (see below), whose sum is σ = 240331629318. Its totient is φ = 60556001024.

The previous prime is 121112002093. The next prime is 121112002117. The reversal of 121112002112 is 211200211121.

It can be written as a sum of positive squares in only one way, i.e., 75154932736 + 45957069376 = 274144^2 + 214376^2 .

It is not an unprimeable number, because it can be changed into a prime (121112002117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946187453 + ... + 946187580.

Almost surely, 2^121112002112 is an apocalyptic number.

It is an amenable number.

121112002112 is a deficient number, since it is larger than the sum of its proper divisors (119219627206).

121112002112 is an equidigital number, since it uses as much as digits as its factorization.

121112002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892375045 (or 1892375035 counting only the distinct ones).

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

Adding to 121112002112 its reverse (211200211121), we get a palindrome (332312213233).

The spelling of 121112002112 in words is "one hundred twenty-one billion, one hundred twelve million, two thousand, one hundred twelve".