121110432419 has 4 divisors (see below), whose sum is σ = 121810492896. Its totient is φ = 120410371944.

The previous prime is 121110432409. The next prime is 121110432437. The reversal of 121110432419 is 914234011121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914234011121 = 73 ⋅12523753577.

It is a cyclic number.

It is not a de Polignac number, because 121110432419 - 2²⁸ = 120841996963 is a prime.

It is a super-2 number, since 2×121110432419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121110432391 and 121110432400.

It is not an unprimeable number, because it can be changed into a prime (121110432409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350029979 + ... + 350030324.

It is an arithmetic number, because the mean of its divisors is an integer number (30452623224).

Almost surely, 2^121110432419 is an apocalyptic number.

121110432419 is a deficient number, since it is larger than the sum of its proper divisors (700060477).

121110432419 is an equidigital number, since it uses as much as digits as its factorization.

121110432419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700060476.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 121110432419 in words is "one hundred twenty-one billion, one hundred ten million, four hundred thirty-two thousand, four hundred nineteen".