121111330 has 16 divisors (see below), whose sum is σ = 227479104. Its totient is φ = 46338160.

The previous prime is 121111297. The next prime is 121111343. The reversal of 121111330 is 33111121.

It is a self number, because there is not a number n which added to its sum of digits gives 121111330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263056 + ... + 263515.

It is an arithmetic number, because the mean of its divisors is an integer number (14217444).

Almost surely, 2^121111330 is an apocalyptic number.

121111330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121111330 is a deficient number, since it is larger than the sum of its proper divisors (106367774).

121111330 is a wasteful number, since it uses less digits than its factorization.

121111330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526601.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 121111330 is about 11005.0592910715. The cubic root of 121111330 is about 494.7603914656.

Adding to 121111330 its reverse (33111121), we get a palindrome (154222451).

The spelling of 121111330 in words is "one hundred twenty-one million, one hundred eleven thousand, three hundred thirty".