121133032104 has 128 divisors (see below), whose sum is σ = 353345760000. Its totient is φ = 34590995712.

The previous prime is 121133032099. The next prime is 121133032127. The reversal of 121133032104 is 401230331121.

It is a super-2 number, since 2×121133032104² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25590922 + ... + 25595654.

It is an arithmetic number, because the mean of its divisors is an integer number (2760513750).

Almost surely, 2^121133032104 is an apocalyptic number.

121133032104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121133032104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176672880000).

121133032104 is an abundant number, since it is smaller than the sum of its proper divisors (232212727896).

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

121133032104 is a wasteful number, since it uses less digits than its factorization.

121133032104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7872 (or 7854 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121133032104 its reverse (401230331121), we get a palindrome (522363363225).

The spelling of 121133032104 in words is "one hundred twenty-one billion, one hundred thirty-three million, thirty-two thousand, one hundred four".