121136453141 has 16 divisors (see below), whose sum is σ = 135825203328. Its totient is φ = 107065022400.

The previous prime is 121136453111. The next prime is 121136453149. The reversal of 121136453141 is 141354631121.

It is a cyclic number.

It is not a de Polignac number, because 121136453141 - 2¹⁸ = 121136190997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121136453098 and 121136453107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121136453149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416111 + ... + 644531.

It is an arithmetic number, because the mean of its divisors is an integer number (8489075208).

Almost surely, 2^121136453141 is an apocalyptic number.

121136453141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121136453141 is a deficient number, since it is larger than the sum of its proper divisors (14688750187).

121136453141 is a wasteful number, since it uses less digits than its factorization.

121136453141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229772.

The product of its digits is 8640, while the sum is 32.

The spelling of 121136453141 in words is "one hundred twenty-one billion, one hundred thirty-six million, four hundred fifty-three thousand, one hundred forty-one".