121222102019983 has 2 divisors, whose sum is σ = 121222102019984. Its totient is φ = 121222102019982.

The previous prime is 121222102019957. The next prime is 121222102020011. The reversal of 121222102019983 is 389910201222121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121222102019983 - 2³⁷ = 121084663066511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121222102019903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611051009991 + 60611051009992.

It is an arithmetic number, because the mean of its divisors is an integer number (60611051009992).

Almost surely, 2^{121222102019983} is an apocalyptic number.

121222102019983 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222102019983 is an equidigital number, since it uses as much as digits as its factorization.

121222102019983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 121222102019983 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred two million, nineteen thousand, nine hundred eighty-three".