211010221110220 has 48 divisors (see below), whose sum is σ = 536214208944960. Its totient is φ = 68090693197824.

The previous prime is 211010221110217. The next prime is 211010221110239. The reversal of 211010221110220 is 22011122010112.

It is a junction number, because it is equal to n+sod(n) for n = 211010221110194 and 211010221110203.

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 15 ways as a sum of consecutive naturals, for example, 44329876005 + ... + 44329880764.

It is an arithmetic number, because the mean of its divisors is an integer number (11171129353020).

Almost surely, 2^{211010221110220} is an apocalyptic number.

211010221110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211010221110220 is an abundant number, since it is smaller than the sum of its proper divisors (325203987834740).

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

211010221110220 is a wasteful number, since it uses less digits than its factorization.

211010221110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88659756802 (or 88659756800 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211010221110220 its reverse (22011122010112), we get a palindrome (233021343120332).

The spelling of 211010221110220 in words is "two hundred eleven trillion, ten billion, two hundred twenty-one million, one hundred ten thousand, two hundred twenty".