211202222102220 has 48 divisors (see below), whose sum is σ = 626152470235488. Its totient is φ = 53007616527360.

The previous prime is 211202222102171. The next prime is 211202222102273. The reversal of 211202222102220 is 22201222202112.

It is a super-2 number, since 2×211202222102220² (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 15 ways as a sum of consecutive naturals, for example, 103530500011 + ... + 103530502050.

It is an arithmetic number, because the mean of its divisors is an integer number (13044843129906).

Almost surely, 2^{211202222102220} is an apocalyptic number.

211202222102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211202222102220 is an abundant number, since it is smaller than the sum of its proper divisors (414950248133268).

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

211202222102220 is a wasteful number, since it uses less digits than its factorization.

211202222102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207061002090 (or 207061002088 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 211202222102220 its reverse (22201222202112), we get a palindrome (233403444304332).

The spelling of 211202222102220 in words is "two hundred eleven trillion, two hundred two billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty".