101202002201977 has 2 divisors, whose sum is σ = 101202002201978. Its totient is φ = 101202002201976.

The previous prime is 101202002201933. The next prime is 101202002202029. The reversal of 101202002201977 is 779102200202101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95553674824336 + 5648327377641 = 9775156^2 + 2376621^2 .

It is an emirp because it is prime and its reverse (779102200202101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101202002201977 is a prime.

It is not a weakly prime, because it can be changed into another prime (101202002201477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601001100988 + 50601001100989.

It is an arithmetic number, because the mean of its divisors is an integer number (50601001100989).

Almost surely, 2^{101202002201977} is an apocalyptic number.

It is an amenable number.

101202002201977 is a deficient number, since it is larger than the sum of its proper divisors (1).

101202002201977 is an equidigital number, since it uses as much as digits as its factorization.

101202002201977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 34.

The spelling of 101202002201977 in words is "one hundred one trillion, two hundred two billion, two million, two hundred one thousand, nine hundred seventy-seven".