121011104 has 48 divisors (see below), whose sum is σ = 247564800. Its totient is φ = 58164480.

The previous prime is 121011101. The next prime is 121011109. The reversal of 121011104 is 401110121.

It is not an unprimeable number, because it can be changed into a prime (121011101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197102 + ... + 197714.

It is an arithmetic number, because the mean of its divisors is an integer number (5157600).

Almost surely, 2^121011104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121011104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123782400).

121011104 is an abundant number, since it is smaller than the sum of its proper divisors (126553696).

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

121011104 is a wasteful number, since it uses less digits than its factorization.

121011104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 121011104 is about 11000.5047156937. The cubic root of 121011104 is about 494.6238737119.

Adding to 121011104 its reverse (401110121), we get a palindrome (522121225).

The spelling of 121011104 in words is "one hundred twenty-one million, eleven thousand, one hundred four".