101201202219977 has 2 divisors, whose sum is σ = 101201202219978. Its totient is φ = 101201202219976.

The previous prime is 101201202219961. The next prime is 101201202220147. The reversal of 101201202219977 is 779912202102101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89294637773056 + 11906564446921 = 9449584^2 + 3450589^2 .

It is a cyclic number.

It is not a de Polignac number, because 101201202219977 - 2⁴ = 101201202219961 is a prime.

It is not a weakly prime, because it can be changed into another prime (101201202219907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600601109988 + 50600601109989.

It is an arithmetic number, because the mean of its divisors is an integer number (50600601109989).

Almost surely, 2^{101201202219977} is an apocalyptic number.

It is an amenable number.

101201202219977 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201202219977 is an equidigital number, since it uses as much as digits as its factorization.

101201202219977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 44.

The spelling of 101201202219977 in words is "one hundred one trillion, two hundred one billion, two hundred two million, two hundred nineteen thousand, nine hundred seventy-seven".