213111201000203 has 12 divisors (see below), whose sum is σ = 234246549267024. Its totient is φ = 193737163395600.

The previous prime is 213111201000193. The next prime is 213111201000359. The reversal of 213111201000203 is 302000102111312.

It is not a de Polignac number, because 213111201000203 - 2⁸ = 213111200999947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213111201003203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155905973 + ... + 157266953.

It is an arithmetic number, because the mean of its divisors is an integer number (19520545772252).

Almost surely, 2^{213111201000203} is an apocalyptic number.

213111201000203 is a deficient number, since it is larger than the sum of its proper divisors (21135348266821).

213111201000203 is a wasteful number, since it uses less digits than its factorization.

213111201000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2655106 (or 2655095 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213111201000203 its reverse (302000102111312), we get a palindrome (515111303111515).

The spelling of 213111201000203 in words is "two hundred thirteen trillion, one hundred eleven billion, two hundred one million, two hundred three", and thus it is an aban number.