211222112011202 has 16 divisors (see below), whose sum is σ = 335528044570872. Its totient is φ = 99381564983040.

The previous prime is 211222112011111. The next prime is 211222112011223. The reversal of 211222112011202 is 202110211222112.

It can be written as a sum of positive squares in 4 ways, for example, as 201576360622081 + 9645751389121 = 14197759^2 + 3105761^2 .

It is a super-2 number, since 2×211222112011202² (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 7 ways as a sum of consecutive naturals, for example, 533423033 + ... + 533818860.

Almost surely, 2^{211222112011202} is an apocalyptic number.

211222112011202 is a deficient number, since it is larger than the sum of its proper divisors (124305932559670).

211222112011202 is a wasteful number, since it uses less digits than its factorization.

211222112011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067247733.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211222112011202 its reverse (202110211222112), we get a palindrome (413332323233314).

The spelling of 211222112011202 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred twelve million, eleven thousand, two hundred two".