211130020311 has 16 divisors (see below), whose sum is σ = 326523757824. Its totient is φ = 118845042624.

The previous prime is 211130020301. The next prime is 211130020313. The reversal of 211130020311 is 113020031112.

It is a happy number.

It is not a de Polignac number, because 211130020311 - 2⁵ = 211130020279 is a prime.

It is a super-3 number, since 3×211130020311³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211130020313) 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, 75027030 + ... + 75029843.

It is an arithmetic number, because the mean of its divisors is an integer number (20407734864).

Almost surely, 2^211130020311 is an apocalyptic number.

211130020311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211130020311 is a deficient number, since it is larger than the sum of its proper divisors (115393737513).

211130020311 is a wasteful number, since it uses less digits than its factorization.

211130020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150056950.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 211130020311 its reverse (113020031112), we get a palindrome (324150051423).

The spelling of 211130020311 in words is "two hundred eleven billion, one hundred thirty million, twenty thousand, three hundred eleven".