211131101122 has 8 divisors (see below), whose sum is σ = 316730598156. Its totient is φ = 105554235072.

The previous prime is 211131101117. The next prime is 211131101143. The reversal of 211131101122 is 221101131112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 186735472641 + 24395628481 = 432129^2 + 156191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211131101096 and 211131101105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5634403 + ... + 5671750.

Almost surely, 2^211131101122 is an apocalyptic number.

211131101122 is a deficient number, since it is larger than the sum of its proper divisors (105599497034).

211131101122 is a wasteful number, since it uses less digits than its factorization.

211131101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11315492.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 211131101122 its reverse (221101131112), we get a palindrome (432232232234).

The spelling of 211131101122 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred one thousand, one hundred twenty-two".