121002102101112 has 16 divisors (see below), whose sum is σ = 302505255252840. Its totient is φ = 40334034033696.

The previous prime is 121002102101071. The next prime is 121002102101129. The reversal of 121002102101112 is 211101201200121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121002102101091 and 121002102101100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2520877127083 + ... + 2520877127130.

Almost surely, 2^{121002102101112} is an apocalyptic number.

121002102101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121002102101112 is an abundant number, since it is smaller than the sum of its proper divisors (181503153151728).

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

121002102101112 is a wasteful number, since it uses less digits than its factorization.

121002102101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041754254222 (or 5041754254218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121002102101112 its reverse (211101201200121), we get a palindrome (332103303301233).

Subtracting 121002102101112 from its reverse (211101201200121), we obtain a palindrome (90099099099009).

The spelling of 121002102101112 in words is "one hundred twenty-one trillion, two billion, one hundred two million, one hundred one thousand, one hundred twelve".