10102010194 has 4 divisors (see below), whose sum is σ = 15153015294. Its totient is φ = 5051005096.

The previous prime is 10102010179. The next prime is 10102010197. The reversal of 10102010194 is 49101020101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49101020101 = 7 ⋅7014431443.

It can be written as a sum of positive squares in only one way, i.e., 9897663169 + 204347025 = 99487^2 + 14295^2 .

It is not an unprimeable number, because it can be changed into a prime (10102010197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525502547 + ... + 2525502550.

Almost surely, 2^10102010194 is an apocalyptic number.

10102010194 is a deficient number, since it is larger than the sum of its proper divisors (5051005100).

10102010194 is an equidigital number, since it uses as much as digits as its factorization.

10102010194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051005099.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 10102010194 its reverse (49101020101), we get a palindrome (59203030295).

The spelling of 10102010194 in words is "ten billion, one hundred two million, ten thousand, one hundred ninety-four".