213022131111203 has 4 divisors (see below), whose sum is σ = 213063263020440. Its totient is φ = 212980999201968.

The previous prime is 213022131111151. The next prime is 213022131111221. The reversal of 213022131111203 is 302111131220312.

It is a happy number.

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 213022131111203 - 2¹⁰ = 213022131110179 is a prime.

It is a super-2 number, since 2×213022131111203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213022131111103) 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, 20565946850 + ... + 20565957207.

It is an arithmetic number, because the mean of its divisors is an integer number (53265815755110).

Almost surely, 2^{213022131111203} is an apocalyptic number.

213022131111203 is a deficient number, since it is larger than the sum of its proper divisors (41131909237).

213022131111203 is an equidigital number, since it uses as much as digits as its factorization.

213022131111203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41131909236.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 213022131111203 its reverse (302111131220312), we get a palindrome (515133262331515).

The spelling of 213022131111203 in words is "two hundred thirteen trillion, twenty-two billion, one hundred thirty-one million, one hundred eleven thousand, two hundred three".