211110012210220 has 48 divisors (see below), whose sum is σ = 446066320190400. Its totient is φ = 83923594940160.

The previous prime is 211110012210179. The next prime is 211110012210241. The reversal of 211110012210220 is 22012210011112.

It is a junction number, because it is equal to n+sod(n) for n = 211110012210194 and 211110012210203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13059975 + ... + 24347134.

It is an arithmetic number, because the mean of its divisors is an integer number (9293048337300).

Almost surely, 2^{211110012210220} is an apocalyptic number.

211110012210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211110012210220 is an abundant number, since it is smaller than the sum of its proper divisors (234956307980180).

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

211110012210220 is a wasteful number, since it uses less digits than its factorization.

211110012210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37408858 (or 37408856 counting only the distinct ones).

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

Adding to 211110012210220 its reverse (22012210011112), we get a palindrome (233122222221332).

The spelling of 211110012210220 in words is "two hundred eleven trillion, one hundred ten billion, twelve million, two hundred ten thousand, two hundred twenty".