121105250243343 has 12 divisors (see below), whose sum is σ = 174963234181840. Its totient is φ = 80721405061056.

The previous prime is 121105250243311. The next prime is 121105250243347. The reversal of 121105250243343 is 343342052501121.

121105250243343 is a `hidden beast` number, since 1 + 2 + 1 + 105 + 2 + 502 + 4 + 3 + 3 + 43 = 666.

It is not a de Polignac number, because 121105250243343 - 2⁵ = 121105250243311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121105250243298 and 121105250243307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121105250243347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1285653163 + ... + 1285747356.

Almost surely, 2^{121105250243343} is an apocalyptic number.

121105250243343 is a deficient number, since it is larger than the sum of its proper divisors (53857983938497).

121105250243343 is a wasteful number, since it uses less digits than its factorization.

121105250243343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571405758 (or 2571405755 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 121105250243343 in words is "one hundred twenty-one trillion, one hundred five billion, two hundred fifty million, two hundred forty-three thousand, three hundred forty-three".