121100275 has 12 divisors (see below), whose sum is σ = 151249000. Its totient is φ = 96180480.

The previous prime is 121100269. The next prime is 121100321. The reversal of 121100275 is 572001121.

It is not a de Polignac number, because 121100275 - 2¹¹ = 121098227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13950 + ... + 20899.

Almost surely, 2^121100275 is an apocalyptic number.

121100275 is a deficient number, since it is larger than the sum of its proper divisors (30148725).

121100275 is a wasteful number, since it uses less digits than its factorization.

121100275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34998 (or 34993 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 121100275 is about 11004.5570106206. The cubic root of 121100275 is about 494.7453371555.

Adding to 121100275 its reverse (572001121), we get a palindrome (693101396).

The spelling of 121100275 in words is "one hundred twenty-one million, one hundred thousand, two hundred seventy-five".