211321411203 has 64 divisors (see below), whose sum is σ = 340616192000. Its totient is φ = 113842692864.

The previous prime is 211321411181. The next prime is 211321411219. The reversal of 211321411203 is 302114123112.

It is not a de Polignac number, because 211321411203 - 2¹² = 211321407107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 211321411203.

It is not an unprimeable number, because it can be changed into a prime (211321411253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79472688 + ... + 79475346.

It is an arithmetic number, because the mean of its divisors is an integer number (5322128000).

Almost surely, 2^211321411203 is an apocalyptic number.

211321411203 is a deficient number, since it is larger than the sum of its proper divisors (129294780797).

211321411203 is a wasteful number, since it uses less digits than its factorization.

211321411203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 211321411203 its reverse (302114123112), we get a palindrome (513435534315).

The spelling of 211321411203 in words is "two hundred eleven billion, three hundred twenty-one million, four hundred eleven thousand, two hundred three".