102210019 has 2 divisors, whose sum is σ = 102210020. Its totient is φ = 102210018.

The previous prime is 102209941. The next prime is 102210029. The reversal of 102210019 is 910012201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102210019 - 2¹¹ = 102207971 is a prime.

It is a super-2 number, since 2×102210019² = 20893775967960722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102209984 and 102210011.

It is not a weakly prime, because it can be changed into another prime (102210029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105009 + 51105010.

It is an arithmetic number, because the mean of its divisors is an integer number (51105010).

Almost surely, 2^102210019 is an apocalyptic number.

102210019 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210019 is an equidigital number, since it uses as much as digits as its factorization.

102210019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 102210019 is about 10109.8970815731. The cubic root of 102210019 is about 467.5533320152.

The spelling of 102210019 in words is "one hundred two million, two hundred ten thousand, nineteen".