121101112 has 32 divisors (see below), whose sum is σ = 248428800. Its totient is φ = 54885600.

The previous prime is 121101107. The next prime is 121101119. The reversal of 121101112 is 211101121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31537 + ... + 35167.

It is an arithmetic number, because the mean of its divisors is an integer number (7763400).

Almost surely, 2^121101112 is an apocalyptic number.

It is an amenable number.

121101112 is an abundant number, since it is smaller than the sum of its proper divisors (127327688).

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

121101112 is a wasteful number, since it uses less digits than its factorization.

121101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 121101112 is about 11004.5950402548. The cubic root of 121101112 is about 494.7464769847.

Adding to 121101112 its reverse (211101121), we get a palindrome (332202233).

Subtracting 121101112 from its reverse (211101121), we obtain a palindrome (90000009).

The spelling of 121101112 in words is "one hundred twenty-one million, one hundred one thousand, one hundred twelve".