211331210202103 has 4 divisors (see below), whose sum is σ = 211332172553200. Its totient is φ = 211330247851008.

The previous prime is 211331210202071. The next prime is 211331210202109. The reversal of 211331210202103 is 301202012133112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211331210202103 - 2⁵ = 211331210202071 is a prime.

It is a super-2 number, since 2×211331210202103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211331210202109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480846075 + ... + 481285372.

It is an arithmetic number, because the mean of its divisors is an integer number (52833043138300).

Almost surely, 2^{211331210202103} is an apocalyptic number.

211331210202103 is a deficient number, since it is larger than the sum of its proper divisors (962351097).

211331210202103 is an equidigital number, since it uses as much as digits as its factorization.

211331210202103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962351096.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 211331210202103 its reverse (301202012133112), we get a palindrome (512533222335215).

The spelling of 211331210202103 in words is "two hundred eleven trillion, three hundred thirty-one billion, two hundred ten million, two hundred two thousand, one hundred three".