102011001003 has 12 divisors (see below), whose sum is σ = 149846668920. Its totient is φ = 66854666976.

The previous prime is 102011000881. The next prime is 102011001017. The reversal of 102011001003 is 300100110201.

It is not a de Polignac number, because 102011001003 - 2¹⁴ = 102010984619 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (102011001503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96055026 + ... + 96056087.

It is an arithmetic number, because the mean of its divisors is an integer number (12487222410).

Almost surely, 2^102011001003 is an apocalyptic number.

102011001003 is a deficient number, since it is larger than the sum of its proper divisors (47835667917).

102011001003 is a wasteful number, since it uses less digits than its factorization.

102011001003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192111178 (or 192111175 counting only the distinct ones).

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

Adding to 102011001003 its reverse (300100110201), we get a palindrome (402111111204).

The spelling of 102011001003 in words is "one hundred two billion, eleven million, one thousand, three".