121133112 has 16 divisors (see below), whose sum is σ = 302832840. Its totient is φ = 40377696.

The previous prime is 121133101. The next prime is 121133123. The reversal of 121133112 is 211331121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121133101) and next prime (121133123).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 121133091 and 121133100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2523583 + ... + 2523630.

Almost surely, 2^121133112 is an apocalyptic number.

121133112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121133112 is an abundant number, since it is smaller than the sum of its proper divisors (181699728).

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

121133112 is a wasteful number, since it uses less digits than its factorization.

121133112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047222 (or 5047218 counting only the distinct ones).

The product of its digits is 36, while the sum is 15.

The square root of 121133112 is about 11006.0488823192. The cubic root of 121133112 is about 494.7900507464.

Adding to 121133112 its reverse (211331121), we get a palindrome (332464233).

It can be divided in two parts, 12113 and 3112, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 121133112 in words is "one hundred twenty-one million, one hundred thirty-three thousand, one hundred twelve".