121113031310000 has 200 divisors, whose sum is σ = 306058622765280. Its totient is φ = 46326348288000.

The previous prime is 121113031309999. The next prime is 121113031310009. The reversal of 121113031310000 is 13130311121.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×121113031310000² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121113031310009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 872320586 + ... + 872459414.

Almost surely, 2^{121113031310000} is an apocalyptic number.

121113031310000 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 121113031310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153029311382640).

121113031310000 is an abundant number, since it is smaller than the sum of its proper divisors (184945591455280).

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

121113031310000 is a wasteful number, since it uses less digits than its factorization.

121113031310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142673 (or 142652 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 121113031310000 its reverse (13130311121), we get a palindrome (121126161621121).

The spelling of 121113031310000 in words is "one hundred twenty-one trillion, one hundred thirteen billion, thirty-one million, three hundred ten thousand".