102402132101 has 2 divisors, whose sum is σ = 102402132102. Its totient is φ = 102402132100.

The previous prime is 102402132013. The next prime is 102402132149. The reversal of 102402132101 is 101231204201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96550647076 + 5851485025 = 310726^2 + 76495^2 .

It is a cyclic number.

It is not a de Polignac number, because 102402132101 - 2²² = 102397937797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102402132101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102402134101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51201066050 + 51201066051.

It is an arithmetic number, because the mean of its divisors is an integer number (51201066051).

Almost surely, 2^102402132101 is an apocalyptic number.

It is an amenable number.

102402132101 is a deficient number, since it is larger than the sum of its proper divisors (1).

102402132101 is an equidigital number, since it uses as much as digits as its factorization.

102402132101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102402132101 its reverse (101231204201), we get a palindrome (203633336302).

The spelling of 102402132101 in words is "one hundred two billion, four hundred two million, one hundred thirty-two thousand, one hundred one".