211000110220 has 24 divisors (see below), whose sum is σ = 443113525008. Its totient is φ = 84397512000.

The previous prime is 211000110203. The next prime is 211000110253. The reversal of 211000110220 is 22011000112.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 211000110197 and 211000110206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617895 + ... + 896545.

It is an arithmetic number, because the mean of its divisors is an integer number (18463063542).

Almost surely, 2^211000110220 is an apocalyptic number.

211000110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211000110220 is an abundant number, since it is smaller than the sum of its proper divisors (232113414788).

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

211000110220 is a wasteful number, since it uses less digits than its factorization.

211000110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316521 (or 316519 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 211000110220 its reverse (22011000112), we get a palindrome (233011110332).

The spelling of 211000110220 in words is "two hundred eleven billion, one hundred ten thousand, two hundred twenty".