121433355043 has 16 divisors (see below), whose sum is σ = 163043387136. Its totient is φ = 87344670240.

The previous prime is 121433355037. The next prime is 121433355049. The reversal of 121433355043 is 340553334121.

It is an interprime number because it is at equal distance from previous prime (121433355037) and next prime (121433355049).

It is a cyclic number.

It is not a de Polignac number, because 121433355043 - 2¹³ = 121433346851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121433355049) 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, 60655021 + ... + 60657022.

It is an arithmetic number, because the mean of its divisors is an integer number (10190211696).

Almost surely, 2^121433355043 is an apocalyptic number.

121433355043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121433355043 is a deficient number, since it is larger than the sum of its proper divisors (41610032093).

121433355043 is a wasteful number, since it uses less digits than its factorization.

121433355043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121312074.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 121433355043 its reverse (340553334121), we get a palindrome (461986689164).

The spelling of 121433355043 in words is "one hundred twenty-one billion, four hundred thirty-three million, three hundred fifty-five thousand, forty-three".