121020022043 has 2 divisors, whose sum is σ = 121020022044. Its totient is φ = 121020022042.

The previous prime is 121020022009. The next prime is 121020022087. The reversal of 121020022043 is 340220020121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121020022043 - 2¹⁸ = 121019759899 is a prime.

It is not a weakly prime, because it can be changed into another prime (121020027043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510011021 + 60510011022.

It is an arithmetic number, because the mean of its divisors is an integer number (60510011022).

Almost surely, 2^121020022043 is an apocalyptic number.

121020022043 is a deficient number, since it is larger than the sum of its proper divisors (1).

121020022043 is an equidigital number, since it uses as much as digits as its factorization.

121020022043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 121020022043 its reverse (340220020121), we get a palindrome (461240042164).

The spelling of 121020022043 in words is "one hundred twenty-one billion, twenty million, twenty-two thousand, forty-three".