211320231203011 has 16 divisors (see below), whose sum is σ = 243556060423104. Its totient is φ = 179601822140544.

The previous prime is 211320231202943. The next prime is 211320231203017. The reversal of 211320231203011 is 110302132023112.

It is a cyclic number.

It is not a de Polignac number, because 211320231203011 - 2⁹ = 211320231202499 is a prime.

It is a super-2 number, since 2×211320231203011² (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 (211320231203017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233463316 + ... + 234366721.

It is an arithmetic number, because the mean of its divisors is an integer number (15222253776444).

Almost surely, 2^{211320231203011} is an apocalyptic number.

211320231203011 is a deficient number, since it is larger than the sum of its proper divisors (32235829220093).

211320231203011 is a wasteful number, since it uses less digits than its factorization.

211320231203011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467830590.

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

Adding to 211320231203011 its reverse (110302132023112), we get a palindrome (321622363226123).

The spelling of 211320231203011 in words is "two hundred eleven trillion, three hundred twenty billion, two hundred thirty-one million, two hundred three thousand, eleven".