211102110210020 has 24 divisors (see below), whose sum is σ = 443320768258368. Its totient is φ = 84439637071200.

The previous prime is 211102110209983. The next prime is 211102110210037. The reversal of 211102110210020 is 20012011201112.

It is a junction number, because it is equal to n+sod(n) for n = 211102110209977 and 211102110210004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74003486 + ... + 76803125.

It is an arithmetic number, because the mean of its divisors is an integer number (18471698677432).

Almost surely, 2^{211102110210020} is an apocalyptic number.

211102110210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211102110210020 is an abundant number, since it is smaller than the sum of its proper divisors (232218658048348).

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

211102110210020 is a wasteful number, since it uses less digits than its factorization.

211102110210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150876611 (or 150876609 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211102110210020 its reverse (20012011201112), we get a palindrome (231114121411132).

The spelling of 211102110210020 in words is "two hundred eleven trillion, one hundred two billion, one hundred ten million, two hundred ten thousand, twenty".