102100121210903 has 2 divisors, whose sum is σ = 102100121210904. Its totient is φ = 102100121210902.

The previous prime is 102100121210851. The next prime is 102100121210909. The reversal of 102100121210903 is 309012121001201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102100121210903 - 2¹² = 102100121206807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102100121210909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050060605451 + 51050060605452.

It is an arithmetic number, because the mean of its divisors is an integer number (51050060605452).

Almost surely, 2^{102100121210903} is an apocalyptic number.

102100121210903 is a deficient number, since it is larger than the sum of its proper divisors (1).

102100121210903 is an equidigital number, since it uses as much as digits as its factorization.

102100121210903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 102100121210903 in words is "one hundred two trillion, one hundred billion, one hundred twenty-one million, two hundred ten thousand, nine hundred three".