121813392119 has 8 divisors (see below), whose sum is σ = 123055025040. Its totient is φ = 120573670336.

The previous prime is 121813392083. The next prime is 121813392131. The reversal of 121813392119 is 911293318121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121813392119 is a prime.

It is a super-2 number, since 2×121813392119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121813392139) 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, 349484 + ... + 604785.

It is an arithmetic number, because the mean of its divisors is an integer number (15381878130).

Almost surely, 2^121813392119 is an apocalyptic number.

121813392119 is a deficient number, since it is larger than the sum of its proper divisors (1241632921).

121813392119 is a wasteful number, since it uses less digits than its factorization.

121813392119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955569.

The product of its digits is 23328, while the sum is 41.

The spelling of 121813392119 in words is "one hundred twenty-one billion, eight hundred thirteen million, three hundred ninety-two thousand, one hundred nineteen".