211012110111 has 32 divisors (see below), whose sum is σ = 326091801600. Its totient is φ = 120139044480.

The previous prime is 211012110107. The next prime is 211012110119. The reversal of 211012110111 is 111011210112.

It is not a de Polignac number, because 211012110111 - 2² = 211012110107 is a prime.

It is a super-2 number, since 2×211012110111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012110119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2944231 + ... + 3015048.

It is an arithmetic number, because the mean of its divisors is an integer number (10190368800).

Almost surely, 2^211012110111 is an apocalyptic number.

211012110111 is a deficient number, since it is larger than the sum of its proper divisors (115079691489).

211012110111 is a wasteful number, since it uses less digits than its factorization.

211012110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5959359.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 211012110111 its reverse (111011210112), we get a palindrome (322023320223).

It can be divided in two parts, 211012 and 110111, that added together give a palindrome (321123).

The spelling of 211012110111 in words is "two hundred eleven billion, twelve million, one hundred ten thousand, one hundred eleven".