121103313000000 has 196 divisors, whose sum is σ = 400518861105456. Its totient is φ = 32294216000000.

The previous prime is 121103312999953. The next prime is 121103313000029. The reversal of 121103313000000 is 313301121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 17183886 + ... + 23183885.

Almost surely, 2^{121103313000000} is an apocalyptic number.

121103313000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121103313000000 is an abundant number, since it is smaller than the sum of its proper divisors (279415548105456).

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

121103313000000 is an frugal number, since it uses more digits than its factorization.

121103313000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40367816 (or 40367781 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 121103313000000 its reverse (313301121), we get a palindrome (121103626301121).

The spelling of 121103313000000 in words is "one hundred twenty-one trillion, one hundred three billion, three hundred thirteen million", and thus it is an aban number.