102038210291 has 2 divisors, whose sum is σ = 102038210292. Its totient is φ = 102038210290.

The previous prime is 102038210179. The next prime is 102038210311. The reversal of 102038210291 is 192012830201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102038210291 is a prime.

It is not a weakly prime, because it can be changed into another prime (102038212291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51019105145 + 51019105146.

It is an arithmetic number, because the mean of its divisors is an integer number (51019105146).

Almost surely, 2^102038210291 is an apocalyptic number.

102038210291 is a deficient number, since it is larger than the sum of its proper divisors (1).

102038210291 is an equidigital number, since it uses as much as digits as its factorization.

102038210291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 102038210291 in words is "one hundred two billion, thirty-eight million, two hundred ten thousand, two hundred ninety-one".