102011954103247 has 2 divisors, whose sum is σ = 102011954103248. Its totient is φ = 102011954103246.

The previous prime is 102011954103239. The next prime is 102011954103281. The reversal of 102011954103247 is 742301459110201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102011954103247 - 2³ = 102011954103239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102011954103217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005977051623 + 51005977051624.

It is an arithmetic number, because the mean of its divisors is an integer number (51005977051624).

Almost surely, 2^{102011954103247} is an apocalyptic number.

102011954103247 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011954103247 is an equidigital number, since it uses as much as digits as its factorization.

102011954103247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 102011954103247 in words is "one hundred two trillion, eleven billion, nine hundred fifty-four million, one hundred three thousand, two hundred forty-seven".