102030131221189 has 2 divisors, whose sum is σ = 102030131221190. Its totient is φ = 102030131221188.

The previous prime is 102030131221033. The next prime is 102030131221241. The reversal of 102030131221189 is 981122131030201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72135295562500 + 29894835658689 = 8493250^2 + 5467617^2 .

It is a cyclic number.

It is not a de Polignac number, because 102030131221189 - 2¹¹ = 102030131219141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102030131228189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51015065610594 + 51015065610595.

It is an arithmetic number, because the mean of its divisors is an integer number (51015065610595).

Almost surely, 2^{102030131221189} is an apocalyptic number.

It is an amenable number.

102030131221189 is a deficient number, since it is larger than the sum of its proper divisors (1).

102030131221189 is an equidigital number, since it uses as much as digits as its factorization.

102030131221189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 102030131221189 in words is "one hundred two trillion, thirty billion, one hundred thirty-one million, two hundred twenty-one thousand, one hundred eighty-nine".