121001118 has 32 divisors (see below), whose sum is σ = 279121920. Its totient is φ = 34253280.

The previous prime is 121001113. The next prime is 121001141. The reversal of 121001118 is 811100121.

It is a junction number, because it is equal to n+sod(n) for n = 121001097 and 121001106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8638 + ... + 17793.

It is an arithmetic number, because the mean of its divisors is an integer number (8722560).

Almost surely, 2^121001118 is an apocalyptic number.

121001118 is an abundant number, since it is smaller than the sum of its proper divisors (158120802).

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

121001118 is a wasteful number, since it uses less digits than its factorization.

121001118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26552.

The product of its (nonzero) digits is 16, while the sum is 15.

The square root of 121001118 is about 11000.0508180644. The cubic root of 121001118 is about 494.6102676606.

Adding to 121001118 its reverse (811100121), we get a palindrome (932101239).

The spelling of 121001118 in words is "one hundred twenty-one million, one thousand, one hundred eighteen".