121121120022043 has 2 divisors, whose sum is σ = 121121120022044. Its totient is φ = 121121120022042.

The previous prime is 121121120022011. The next prime is 121121120022073. The reversal of 121121120022043 is 340220021121121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121121120022043 - 2⁵ = 121121120022011 is a prime.

It is not a weakly prime, because it can be changed into another prime (121121120022073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560560011021 + 60560560011022.

It is an arithmetic number, because the mean of its divisors is an integer number (60560560011022).

Almost surely, 2^{121121120022043} is an apocalyptic number.

121121120022043 is a deficient number, since it is larger than the sum of its proper divisors (1).

121121120022043 is an equidigital number, since it uses as much as digits as its factorization.

121121120022043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121121120022043 its reverse (340220021121121), we get a palindrome (461341141143164).

The spelling of 121121120022043 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, one hundred twenty million, twenty-two thousand, forty-three".