100102342157 has 2 divisors, whose sum is σ = 100102342158. Its totient is φ = 100102342156.

The previous prime is 100102342121. The next prime is 100102342169. The reversal of 100102342157 is 751243201001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99716376841 + 385965316 = 315779^2 + 19646^2 .

It is a cyclic number.

It is not a de Polignac number, because 100102342157 - 2¹⁰ = 100102341133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100102342357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051171078 + 50051171079.

It is an arithmetic number, because the mean of its divisors is an integer number (50051171079).

Almost surely, 2^100102342157 is an apocalyptic number.

It is an amenable number.

100102342157 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102342157 is an equidigital number, since it uses as much as digits as its factorization.

100102342157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 100102342157 its reverse (751243201001), we get a palindrome (851345543158).

The spelling of 100102342157 in words is "one hundred billion, one hundred two million, three hundred forty-two thousand, one hundred fifty-seven".