102100011003 has 10 divisors (see below), whose sum is σ = 152519769644. Its totient is φ = 68066673948.

The previous prime is 102100010981. The next prime is 102100011113. The reversal of 102100011003 is 300110001201.

It is not a de Polignac number, because 102100011003 - 2¹² = 102100006907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120011003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 630246901 + ... + 630247062.

Almost surely, 2^102100011003 is an apocalyptic number.

102100011003 is a deficient number, since it is larger than the sum of its proper divisors (50419758641).

102100011003 is an equidigital number, since it uses as much as digits as its factorization.

102100011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260493975 (or 1260493966 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 102100011003 its reverse (300110001201), we get a palindrome (402210012204).

The spelling of 102100011003 in words is "one hundred two billion, one hundred million, eleven thousand, three".