211130200023311 has 16 divisors (see below), whose sum is σ = 233448197658624. Its totient is φ = 189925305085824.

The previous prime is 211130200023293. The next prime is 211130200023317. The reversal of 211130200023311 is 113320002031112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211130200023311 - 2⁴² = 206732153512207 is a prime.

It is a super-2 number, since 2×211130200023311² (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 (211130200023317) 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, 206695031 + ... + 207713976.

It is an arithmetic number, because the mean of its divisors is an integer number (14590512353664).

Almost surely, 2^{211130200023311} is an apocalyptic number.

211130200023311 is a deficient number, since it is larger than the sum of its proper divisors (22317997635313).

211130200023311 is a wasteful number, since it uses less digits than its factorization.

211130200023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414410350.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 211130200023311 its reverse (113320002031112), we get a palindrome (324450202054423).

The spelling of 211130200023311 in words is "two hundred eleven trillion, one hundred thirty billion, two hundred million, twenty-three thousand, three hundred eleven".