121121330 has 16 divisors (see below), whose sum is σ = 237838464. Its totient is φ = 44044080.

The previous prime is 121121317. The next prime is 121121347. The reversal of 121121330 is 33121121.

It is a Curzon number.

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, 550442 + ... + 550661.

It is an arithmetic number, because the mean of its divisors is an integer number (14864904).

Almost surely, 2^121121330 is an apocalyptic number.

121121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121121330 is a deficient number, since it is larger than the sum of its proper divisors (116717134).

121121330 is a wasteful number, since it uses less digits than its factorization.

121121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101121.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 121121330 is about 11005.5136181825. The cubic root of 121121330 is about 494.7740083247.

Adding to 121121330 its reverse (33121121), we get a palindrome (154242451).

The spelling of 121121330 in words is "one hundred twenty-one million, one hundred twenty-one thousand, three hundred thirty".