102100042003 has 4 divisors (see below), whose sum is σ = 106539174288. Its totient is φ = 97660909720.

The previous prime is 102100042001. The next prime is 102100042019. The reversal of 102100042003 is 300240001201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102100042003 - 2¹ = 102100042001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100042001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219566108 + ... + 2219566153.

It is an arithmetic number, because the mean of its divisors is an integer number (26634793572).

Almost surely, 2^102100042003 is an apocalyptic number.

102100042003 is a deficient number, since it is larger than the sum of its proper divisors (4439132285).

102100042003 is an equidigital number, since it uses as much as digits as its factorization.

102100042003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439132284.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 102100042003 its reverse (300240001201), we get a palindrome (402340043204).

The spelling of 102100042003 in words is "one hundred two billion, one hundred million, forty-two thousand, three".