213011102003 has 16 divisors (see below), whose sum is σ = 259209868800. Its totient is φ = 174642636168.

The previous prime is 213011101981. The next prime is 213011102009. The reversal of 213011102003 is 300201110312.

It is not a de Polignac number, because 213011102003 - 2¹⁰ = 213011100979 is a prime.

It is a super-2 number, since 2×213011102003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213011102009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13492625 + ... + 13508402.

It is an arithmetic number, because the mean of its divisors is an integer number (16200616800).

Almost surely, 2^213011102003 is an apocalyptic number.

213011102003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213011102003 is a deficient number, since it is larger than the sum of its proper divisors (46198766797).

213011102003 is an equidigital number, since it uses as much as digits as its factorization.

213011102003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27001071 (or 27001057 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 213011102003 its reverse (300201110312), we get a palindrome (513212212315).

The spelling of 213011102003 in words is "two hundred thirteen billion, eleven million, one hundred two thousand, three".