121220243083 has 2 divisors, whose sum is σ = 121220243084. Its totient is φ = 121220243082.

The previous prime is 121220243033. The next prime is 121220243167. The reversal of 121220243083 is 380342022121.

It is a weak prime.

It is an emirp because it is prime and its reverse (380342022121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121220243083 - 2³³ = 112630308491 is a prime.

It is not a weakly prime, because it can be changed into another prime (121220243033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610121541 + 60610121542.

It is an arithmetic number, because the mean of its divisors is an integer number (60610121542).

Almost surely, 2^121220243083 is an apocalyptic number.

121220243083 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220243083 is an equidigital number, since it uses as much as digits as its factorization.

121220243083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 121220243083 in words is "one hundred twenty-one billion, two hundred twenty million, two hundred forty-three thousand, eighty-three".