211222212002212 has 6 divisors (see below), whose sum is σ = 369638871003878. Its totient is φ = 105611106001104.

The previous prime is 211222212002209. The next prime is 211222212002239. The reversal of 211222212002212 is 212200212222112.

It can be written as a sum of positive squares in only one way, i.e., 197281800855616 + 13940411146596 = 14045704^2 + 3733686^2 .

It is a super-2 number, since 2×211222212002212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26402776500273 + ... + 26402776500280.

Almost surely, 2^{211222212002212} is an apocalyptic number.

It is an amenable number.

211222212002212 is a deficient number, since it is larger than the sum of its proper divisors (158416659001666).

211222212002212 is a wasteful number, since it uses less digits than its factorization.

211222212002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52805553000557 (or 52805553000555 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 211222212002212 its reverse (212200212222112), we get a palindrome (423422424224324).

The spelling of 211222212002212 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twelve million, two thousand, two hundred twelve".