102121042003 has 2 divisors, whose sum is σ = 102121042004. Its totient is φ = 102121042002.

The previous prime is 102121041949. The next prime is 102121042007. The reversal of 102121042003 is 300240121201.

It is a strong prime.

It is an emirp because it is prime and its reverse (300240121201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102121042003 - 2²⁵ = 102087487571 is a prime.

It is not a weakly prime, because it can be changed into another prime (102121042007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060521001 + 51060521002.

It is an arithmetic number, because the mean of its divisors is an integer number (51060521002).

Almost surely, 2^102121042003 is an apocalyptic number.

102121042003 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121042003 is an equidigital number, since it uses as much as digits as its factorization.

102121042003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102121042003 its reverse (300240121201), we get a palindrome (402361163204).

The spelling of 102121042003 in words is "one hundred two billion, one hundred twenty-one million, forty-two thousand, three".