211110102231 has 16 divisors (see below), whose sum is σ = 335678175744. Its totient is φ = 115389372384.

The previous prime is 211110102227. The next prime is 211110102239. The reversal of 211110102231 is 132201011112.

It is not a de Polignac number, because 211110102231 - 2² = 211110102227 is a prime.

It is a super-2 number, since 2×211110102231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211110102231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211110102239) 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 15 ways as a sum of consecutive naturals, for example, 218539996 + ... + 218540961.

It is an arithmetic number, because the mean of its divisors is an integer number (20979885984).

Almost surely, 2^211110102231 is an apocalyptic number.

211110102231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

211110102231 is a deficient number, since it is larger than the sum of its proper divisors (124568073513).

211110102231 is a wasteful number, since it uses less digits than its factorization.

211110102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437080990.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 211110102231 its reverse (132201011112), we get a palindrome (343311113343).

The spelling of 211110102231 in words is "two hundred eleven billion, one hundred ten million, one hundred two thousand, two hundred thirty-one".