211011112331 has 8 divisors (see below), whose sum is σ = 211193317104. Its totient is φ = 210828964320.

The previous prime is 211011112327. The next prime is 211011112349. The reversal of 211011112331 is 133211110112.

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 211011112331 - 2² = 211011112327 is a prime.

It is a super-2 number, since 2×211011112331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211011111331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10722641 + ... + 10742301.

It is an arithmetic number, because the mean of its divisors is an integer number (26399164638).

Almost surely, 2^211011112331 is an apocalyptic number.

211011112331 is a deficient number, since it is larger than the sum of its proper divisors (182204773).

211011112331 is a wasteful number, since it uses less digits than its factorization.

211011112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28381.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 211011112331 its reverse (133211110112), we get a palindrome (344222222443).

The spelling of 211011112331 in words is "two hundred eleven billion, eleven million, one hundred twelve thousand, three hundred thirty-one".