102121021313203 has 2 divisors, whose sum is σ = 102121021313204. Its totient is φ = 102121021313202.

The previous prime is 102121021313153. The next prime is 102121021313273. The reversal of 102121021313203 is 302313120121201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102121021313203 - 2³³ = 102112431378611 is a prime.

It is a super-2 number, since 2×102121021313203² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102121021313273) 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, 51060510656601 + 51060510656602.

It is an arithmetic number, because the mean of its divisors is an integer number (51060510656602).

Almost surely, 2^{102121021313203} is an apocalyptic number.

102121021313203 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121021313203 is an equidigital number, since it uses as much as digits as its factorization.

102121021313203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 102121021313203 its reverse (302313120121201), we get a palindrome (404434141434404).

The spelling of 102121021313203 in words is "one hundred two trillion, one hundred twenty-one billion, twenty-one million, three hundred thirteen thousand, two hundred three".