121031101113012 has 30 divisors (see below), whose sum is σ = 316399205688258. Its totient is φ = 40343700370896.

The previous prime is 121031101112993. The next prime is 121031101113019. The reversal of 121031101113012 is 210311101130121.

121031101113012 is a `hidden beast` number, since 1 + 210 + 31 + 10 + 111 + 301 + 2 = 666.

121031101113012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 121020152839056 + 10948273956 = 11000916^2 + 104634^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121031101113019) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 186776390283 + ... + 186776390930.

Almost surely, 2^{121031101113012} is an apocalyptic number.

121031101113012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121031101113012 is an abundant number, since it is smaller than the sum of its proper divisors (195368104575246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121031101113012 is a wasteful number, since it uses less digits than its factorization.

121031101113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373552781229 (or 373552781218 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 121031101113012 its reverse (210311101130121), we get a palindrome (331342202243133).

The spelling of 121031101113012 in words is "one hundred twenty-one trillion, thirty-one billion, one hundred one million, one hundred thirteen thousand, twelve".