121101310211112 has 144 divisors (see below), whose sum is σ = 412011344865120. Its totient is φ = 31454885753280.

The previous prime is 121101310211093. The next prime is 121101310211117. The reversal of 121101310211112 is 211112013101121.

121101310211112 is a `hidden beast` number, since 1 + 21 + 10 + 1 + 310 + 211 + 112 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (121101310211117) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 992833138 + ... + 992955105.

Almost surely, 2^{121101310211112} is an apocalyptic number.

121101310211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121101310211112 is an abundant number, since it is smaller than the sum of its proper divisors (290910034654008).

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

121101310211112 is a wasteful number, since it uses less digits than its factorization.

121101310211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985788284 (or 1985788266 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 121101310211112 its reverse (211112013101121), we get a palindrome (332213323312233).

The spelling of 121101310211112 in words is "one hundred twenty-one trillion, one hundred one billion, three hundred ten million, two hundred eleven thousand, one hundred twelve".