121102211112 has 32 divisors (see below), whose sum is σ = 303176649600. Its totient is φ = 40311254144.

The previous prime is 121102211057. The next prime is 121102211119. The reversal of 121102211112 is 211112201121.

It is a happy number.

121102211112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121102211091 and 121102211100.

It is not an unprimeable number, because it can be changed into a prime (121102211119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3491733 + ... + 3526244.

It is an arithmetic number, because the mean of its divisors is an integer number (9474270300).

Almost surely, 2^121102211112 is an apocalyptic number.

121102211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121102211112 is an abundant number, since it is smaller than the sum of its proper divisors (182074438488).

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

121102211112 is a wasteful number, since it uses less digits than its factorization.

121102211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018705 (or 7018701 counting only the distinct ones).

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

Adding to 121102211112 its reverse (211112201121), we get a palindrome (332214412233).

Subtracting 121102211112 from its reverse (211112201121), we obtain a palindrome (90009990009).

It can be divided in two parts, 12110 and 2211112, that added together give a palindrome (2223222).

The spelling of 121102211112 in words is "one hundred twenty-one billion, one hundred two million, two hundred eleven thousand, one hundred twelve".