102121120090103 has 2 divisors, whose sum is σ = 102121120090104. Its totient is φ = 102121120090102.

The previous prime is 102121120090069. The next prime is 102121120090141. The reversal of 102121120090103 is 301090021121201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102121120090103 - 2⁴⁴ = 84528934045687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102121120090153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060560045051 + 51060560045052.

It is an arithmetic number, because the mean of its divisors is an integer number (51060560045052).

Almost surely, 2^{102121120090103} is an apocalyptic number.

102121120090103 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121120090103 is an equidigital number, since it uses as much as digits as its factorization.

102121120090103 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 102121120090103 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty million, ninety thousand, one hundred three".