211102110320 has 20 divisors (see below), whose sum is σ = 490812406680. Its totient is φ = 84440844096.

The previous prime is 211102110301. The next prime is 211102110379. The reversal of 211102110320 is 23011201112.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 211102110295 and 211102110304.

It is a congruent number.

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, 1319388110 + ... + 1319388269.

It is an arithmetic number, because the mean of its divisors is an integer number (24540620334).

Almost surely, 2^211102110320 is an apocalyptic number.

211102110320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211102110320 is an abundant number, since it is smaller than the sum of its proper divisors (279710296360).

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

211102110320 is a wasteful number, since it uses less digits than its factorization.

211102110320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638776392 (or 2638776386 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 211102110320 its reverse (23011201112), we get a palindrome (234113311432).

The spelling of 211102110320 in words is "two hundred eleven billion, one hundred two million, one hundred ten thousand, three hundred twenty".