121100320234304 has 112 divisors (see below), whose sum is σ = 243162931940880. Its totient is φ = 59832926208000.

The previous prime is 121100320234273. The next prime is 121100320234307. The reversal of 121100320234304 is 403432023001121.

It can be written as a sum of positive squares in 8 ways, for example, as 20309804089600 + 100790516144704 = 4506640^2 + 10039448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100320234307) 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, 17307459734 + ... + 17307466730.

It is an arithmetic number, because the mean of its divisors is an integer number (2171097606615).

Almost surely, 2^{121100320234304} 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 121100320234304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121581465970440).

121100320234304 is an abundant number, since it is smaller than the sum of its proper divisors (122062611706576).

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

121100320234304 is an equidigital number, since it uses as much as digits as its factorization.

121100320234304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11036 (or 11026 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121100320234304 its reverse (403432023001121), we get a palindrome (524532343235425).

The spelling of 121100320234304 in words is "one hundred twenty-one trillion, one hundred billion, three hundred twenty million, two hundred thirty-four thousand, three hundred four".