121301021131122 has 128 divisors (see below), whose sum is σ = 284347329638400. Its totient is φ = 33782923570176.

The previous prime is 121301021131067. The next prime is 121301021131139. The reversal of 121301021131122 is 221131120103121.

121301021131122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 63 ways as a sum of consecutive naturals, for example, 594490443 + ... + 594694449.

It is an arithmetic number, because the mean of its divisors is an integer number (2221463512800).

Almost surely, 2^{121301021131122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121301021131122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142173664819200).

121301021131122 is an abundant number, since it is smaller than the sum of its proper divisors (163046308507278).

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

121301021131122 is a wasteful number, since it uses less digits than its factorization.

121301021131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206360.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 121301021131122 its reverse (221131120103121), we get a palindrome (342432141234243).

The spelling of 121301021131122 in words is "one hundred twenty-one trillion, three hundred one billion, twenty-one million, one hundred thirty-one thousand, one hundred twenty-two".