102021243980203 has 2 divisors, whose sum is σ = 102021243980204. Its totient is φ = 102021243980202.

The previous prime is 102021243980191. The next prime is 102021243980209. The reversal of 102021243980203 is 302089342120201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102021243980203 - 2⁴⁵ = 66836871891371 is a prime.

It is not a weakly prime, because it can be changed into another prime (102021243980209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010621990101 + 51010621990102.

It is an arithmetic number, because the mean of its divisors is an integer number (51010621990102).

Almost surely, 2^{102021243980203} is an apocalyptic number.

102021243980203 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021243980203 is an equidigital number, since it uses as much as digits as its factorization.

102021243980203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 102021243980203 in words is "one hundred two trillion, twenty-one billion, two hundred forty-three million, nine hundred eighty thousand, two hundred three".