121013113444320 has 384 divisors, whose sum is σ = 393422216140800. Its totient is φ = 31249455316992.

The previous prime is 121013113444277. The next prime is 121013113444337. The reversal of 121013113444320 is 23444311310121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 13959288946 + ... + 13959297614.

It is an arithmetic number, because the mean of its divisors is an integer number (1024537021200).

Almost surely, 2^{121013113444320} is an apocalyptic number.

121013113444320 is a gapful number since it is divisible by the number (10) 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 121013113444320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196711108070400).

121013113444320 is an abundant number, since it is smaller than the sum of its proper divisors (272409102696480).

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

121013113444320 is a wasteful number, since it uses less digits than its factorization.

121013113444320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210 (or 15202 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 121013113444320 its reverse (23444311310121), we get a palindrome (144457424754441).

The spelling of 121013113444320 in words is "one hundred twenty-one trillion, thirteen billion, one hundred thirteen million, four hundred forty-four thousand, three hundred twenty".