121321103296 has 56 divisors (see below), whose sum is σ = 257772468960. Its totient is φ = 56450752512.

The previous prime is 121321103273. The next prime is 121321103297. The reversal of 121321103296 is 692301123121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121321103297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529620 + ... + 723283.

Almost surely, 2^121321103296 is an apocalyptic number.

121321103296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121321103296 is an abundant number, since it is smaller than the sum of its proper divisors (136451365664).

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

121321103296 is a wasteful number, since it uses less digits than its factorization.

121321103296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253021 (or 1253011 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 121321103296 in words is "one hundred twenty-one billion, three hundred twenty-one million, one hundred three thousand, two hundred ninety-six".