102162101 has 2 divisors, whose sum is σ = 102162102. Its totient is φ = 102162100.

The previous prime is 102162059. The next prime is 102162131. The reversal of 102162101 is 101261201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102111025 + 51076 = 10105^2 + 226^2 .

It is an emirp because it is prime and its reverse (101261201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102162101 - 2¹⁸ = 101899957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102162131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51081050 + 51081051.

It is an arithmetic number, because the mean of its divisors is an integer number (51081051).

Almost surely, 2^102162101 is an apocalyptic number.

It is an amenable number.

102162101 is a deficient number, since it is larger than the sum of its proper divisors (1).

102162101 is an equidigital number, since it uses as much as digits as its factorization.

102162101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 102162101 is about 10107.5269477751. The cubic root of 102162101 is about 467.4802546304.

The spelling of 102162101 in words is "one hundred two million, one hundred sixty-two thousand, one hundred one".