211011312203 has 8 divisors (see below), whose sum is σ = 222961728000. Its totient is φ = 199145352168.

The previous prime is 211011312191. The next prime is 211011312209. The reversal of 211011312203 is 302213110112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211011312203 - 2¹² = 211011308107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211011312209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21108803 + ... + 21118796.

It is an arithmetic number, because the mean of its divisors is an integer number (27870216000).

Almost surely, 2^211011312203 is an apocalyptic number.

211011312203 is a deficient number, since it is larger than the sum of its proper divisors (11950415797).

211011312203 is a wasteful number, since it uses less digits than its factorization.

211011312203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42227881.

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

Adding to 211011312203 its reverse (302213110112), we get a palindrome (513224422315).

The spelling of 211011312203 in words is "two hundred eleven billion, eleven million, three hundred twelve thousand, two hundred three".