211303030122003 has 16 divisors (see below), whose sum is σ = 282703072695680. Its totient is φ = 140386220827776.

The previous prime is 211303030121987. The next prime is 211303030122017. The reversal of 211303030122003 is 300221030303112.

It is not a de Polignac number, because 211303030122003 - 2⁴ = 211303030121987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211303030122073) 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, 45755725 + ... + 50161662.

It is an arithmetic number, because the mean of its divisors is an integer number (17668942043480).

Almost surely, 2^{211303030122003} is an apocalyptic number.

211303030122003 is a deficient number, since it is larger than the sum of its proper divisors (71400042573677).

211303030122003 is a wasteful number, since it uses less digits than its factorization.

211303030122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95919906.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 211303030122003 its reverse (300221030303112), we get a palindrome (511524060425115).

The spelling of 211303030122003 in words is "two hundred eleven trillion, three hundred three billion, thirty million, one hundred twenty-two thousand, three".