102130444061 has 2 divisors, whose sum is σ = 102130444062. Its totient is φ = 102130444060.

The previous prime is 102130444033. The next prime is 102130444099. The reversal of 102130444061 is 160444031201.

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., 87397096900 + 14733347161 = 295630^2 + 121381^2 .

It is a cyclic number.

It is not a de Polignac number, because 102130444061 - 2¹⁸ = 102130181917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102130444061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102130444561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51065222030 + 51065222031.

It is an arithmetic number, because the mean of its divisors is an integer number (51065222031).

Almost surely, 2^102130444061 is an apocalyptic number.

It is an amenable number.

102130444061 is a deficient number, since it is larger than the sum of its proper divisors (1).

102130444061 is an equidigital number, since it uses as much as digits as its factorization.

102130444061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 102130444061 its reverse (160444031201), we get a palindrome (262574475262).

The spelling of 102130444061 in words is "one hundred two billion, one hundred thirty million, four hundred forty-four thousand, sixty-one".