255101121 has 12 divisors (see below), whose sum is σ = 401977680. Its totient is φ = 154606680.

The previous prime is 255101117. The next prime is 255101123. The reversal of 255101121 is 121101552.

255101121 is a `hidden beast` number, since 2 + 551 + 0 + 112 + 1 = 666.

It is not a de Polignac number, because 255101121 - 2² = 255101117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255101094 and 255101103.

It is not an unprimeable number, because it can be changed into a prime (255101123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1288291 + ... + 1288488.

It is an arithmetic number, because the mean of its divisors is an integer number (33498140).

Almost surely, 2^255101121 is an apocalyptic number.

It is an amenable number.

255101121 is a deficient number, since it is larger than the sum of its proper divisors (146876559).

255101121 is a wasteful number, since it uses less digits than its factorization.

255101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576796 (or 2576793 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 255101121 is about 15971.8853301669. The cubic root of 255101121 is about 634.2163818396.

Adding to 255101121 its reverse (121101552), we get a palindrome (376202673).

The spelling of 255101121 in words is "two hundred fifty-five million, one hundred one thousand, one hundred twenty-one".