211102211112 has 64 divisors (see below), whose sum is σ = 568470000000. Its totient is φ = 64941053184.

The previous prime is 211102211063. The next prime is 211102211113. The reversal of 211102211112 is 211112201112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211102211091 and 211102211100.

It is not an unprimeable number, because it can be changed into a prime (211102211113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492014 + ... + 1627362.

It is an arithmetic number, because the mean of its divisors is an integer number (8882343750).

Almost surely, 2^211102211112 is an apocalyptic number.

It is an amenable number.

211102211112 is an abundant number, since it is smaller than the sum of its proper divisors (357367788888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211102211112 is a wasteful number, since it uses less digits than its factorization.

211102211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140370 (or 140366 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211102211112 its reverse (211112201112), we get a palindrome (422214412224).

The spelling of 211102211112 in words is "two hundred eleven billion, one hundred two million, two hundred eleven thousand, one hundred twelve".