211002022211212 has 6 divisors (see below), whose sum is σ = 369253538869628. Its totient is φ = 105501011105604.

The previous prime is 211002022211153. The next prime is 211002022211293. The reversal of 211002022211212 is 212112220200112.

It is a self number, because there is not a number n which added to its sum of digits gives 211002022211212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26375252776398 + ... + 26375252776405.

Almost surely, 2^{211002022211212} is an apocalyptic number.

It is an amenable number.

211002022211212 is a deficient number, since it is larger than the sum of its proper divisors (158251516658416).

211002022211212 is a wasteful number, since it uses less digits than its factorization.

211002022211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52750505552807 (or 52750505552805 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211002022211212 its reverse (212112220200112), we get a palindrome (423114242411324).

The spelling of 211002022211212 in words is "two hundred eleven trillion, two billion, twenty-two million, two hundred eleven thousand, two hundred twelve".