211112011010 has 8 divisors (see below), whose sum is σ = 380001619836. Its totient is φ = 84444804400.

The previous prime is 211112010997. The next prime is 211112011021. The reversal of 211112011010 is 10110211112.

It can be written as a sum of positive squares in 2 ways, for example, as 186884154601 + 24227856409 = 432301^2 + 155653^2 .

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

It is a super-2 number, since 2×211112011010² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211112010982 and 211112011000.

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, 10555600541 + ... + 10555600560.

Almost surely, 2^211112011010 is an apocalyptic number.

211112011010 is a deficient number, since it is larger than the sum of its proper divisors (168889608826).

211112011010 is a wasteful number, since it uses less digits than its factorization.

211112011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21111201108.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 211112011010 its reverse (10110211112), we get a palindrome (221222222122).

The spelling of 211112011010 in words is "two hundred eleven billion, one hundred twelve million, eleven thousand, ten".