188888700101 has 2 divisors, whose sum is σ = 188888700102. Its totient is φ = 188888700100.

The previous prime is 188888700041. The next prime is 188888700107. The reversal of 188888700101 is 101007888881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167301450625 + 21587249476 = 409025^2 + 146926^2 .

It is a cyclic number.

It is not a de Polignac number, because 188888700101 - 2¹⁴ = 188888683717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 188888700101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188888700107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94444350050 + 94444350051.

It is an arithmetic number, because the mean of its divisors is an integer number (94444350051).

Almost surely, 2^188888700101 is an apocalyptic number.

It is an amenable number.

188888700101 is a deficient number, since it is larger than the sum of its proper divisors (1).

188888700101 is an equidigital number, since it uses as much as digits as its factorization.

188888700101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 229376, while the sum is 50.

The spelling of 188888700101 in words is "one hundred eighty-eight billion, eight hundred eighty-eight million, seven hundred thousand, one hundred one".