101947381201 has 2 divisors, whose sum is σ = 101947381202. Its totient is φ = 101947381200.

The previous prime is 101947381181. The next prime is 101947381219. The reversal of 101947381201 is 102183749101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82111475601 + 19835905600 = 286551^2 + 140840^2 .

It is a cyclic number.

It is not a de Polignac number, because 101947381201 - 2¹¹ = 101947379153 is a prime.

It is not a weakly prime, because it can be changed into another prime (101947385201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50973690600 + 50973690601.

It is an arithmetic number, because the mean of its divisors is an integer number (50973690601).

Almost surely, 2^101947381201 is an apocalyptic number.

It is an amenable number.

101947381201 is a deficient number, since it is larger than the sum of its proper divisors (1).

101947381201 is an equidigital number, since it uses as much as digits as its factorization.

101947381201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 101947381201 in words is "one hundred one billion, nine hundred forty-seven million, three hundred eighty-one thousand, two hundred one".