211222110010220 has 12 divisors (see below), whose sum is σ = 443566431021504. Its totient is φ = 84488844004080.

The previous prime is 211222110010213. The next prime is 211222110010271. The reversal of 211222110010220 is 22010011222112.

It is a super-2 number, since 2×211222110010220² (a number of 29 digits) contains 22 as substring.

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, 5280552750236 + ... + 5280552750275.

It is an arithmetic number, because the mean of its divisors is an integer number (36963869251792).

Almost surely, 2^{211222110010220} is an apocalyptic number.

211222110010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211222110010220 is an abundant number, since it is smaller than the sum of its proper divisors (232344321011284).

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

211222110010220 is a wasteful number, since it uses less digits than its factorization.

211222110010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10561105500520 (or 10561105500518 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211222110010220 its reverse (22010011222112), we get a palindrome (233232121232332).

The spelling of 211222110010220 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred ten million, ten thousand, two hundred twenty".