211222102220202 has 32 divisors (see below), whose sum is σ = 427193095262400. Its totient is φ = 69615894220928.

The previous prime is 211222102220191. The next prime is 211222102220219. The reversal of 211222102220202 is 202022201222112.

It is a super-2 number, since 2×211222102220202² (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, 107248324 + ... + 109200032.

It is an arithmetic number, because the mean of its divisors is an integer number (13349784226950).

Almost surely, 2^{211222102220202} is an apocalyptic number.

211222102220202 is an abundant number, since it is smaller than the sum of its proper divisors (215970993042198).

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

211222102220202 is a wasteful number, since it uses less digits than its factorization.

211222102220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154470.

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

Adding to 211222102220202 its reverse (202022201222112), we get a palindrome (413244303442314).

The spelling of 211222102220202 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty thousand, two hundred two".