121109513496 has 64 divisors (see below), whose sum is σ = 305085916800. Its totient is φ = 40061810688.

The previous prime is 121109513491. The next prime is 121109513557. The reversal of 121109513496 is 694315901121.

It is a super-3 number, since 3×121109513496³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121109513491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9177415 + ... + 9190601.

It is an arithmetic number, because the mean of its divisors is an integer number (4766967450).

Almost surely, 2^121109513496 is an apocalyptic number.

It is an amenable number.

121109513496 is an abundant number, since it is smaller than the sum of its proper divisors (183976403304).

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

121109513496 is a wasteful number, since it uses less digits than its factorization.

121109513496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16088 (or 16084 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 121109513496 in words is "one hundred twenty-one billion, one hundred nine million, five hundred thirteen thousand, four hundred ninety-six".