102881439119 has 2 divisors, whose sum is σ = 102881439120. Its totient is φ = 102881439118.

The previous prime is 102881439091. The next prime is 102881439161. The reversal of 102881439119 is 911934188201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102881439119 is a prime.

It is a super-2 number, since 2×102881439119² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102881439019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51440719559 + 51440719560.

It is an arithmetic number, because the mean of its divisors is an integer number (51440719560).

Almost surely, 2^102881439119 is an apocalyptic number.

102881439119 is a deficient number, since it is larger than the sum of its proper divisors (1).

102881439119 is an equidigital number, since it uses as much as digits as its factorization.

102881439119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 47.

The spelling of 102881439119 in words is "one hundred two billion, eight hundred eighty-one million, four hundred thirty-nine thousand, one hundred nineteen".