20221201152049 has 2 divisors, whose sum is σ = 20221201152050. Its totient is φ = 20221201152048.

The previous prime is 20221201152043. The next prime is 20221201152083. The reversal of 20221201152049 is 94025110212202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11739826353649 + 8481374798400 = 3426343^2 + 2912280^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221201152049 - 2³ = 20221201152041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20221201152049.

It is not a weakly prime, because it can be changed into another prime (20221201152041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110600576024 + 10110600576025.

It is an arithmetic number, because the mean of its divisors is an integer number (10110600576025).

Almost surely, 2^{20221201152049} is an apocalyptic number.

It is an amenable number.

20221201152049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221201152049 is an equidigital number, since it uses as much as digits as its factorization.

20221201152049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 20221201152049 in words is "twenty trillion, two hundred twenty-one billion, two hundred one million, one hundred fifty-two thousand, forty-nine".