211011220220212 has 24 divisors (see below), whose sum is σ = 390992185370304. Its totient is φ = 99299192867712.

The previous prime is 211011220220137. The next prime is 211011220220237. The reversal of 211011220220212 is 212022022110112.

It is a self number, because there is not a number n which added to its sum of digits gives 211011220220212.

It is a congruent number.

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, 32983623 + ... + 38857969.

It is an arithmetic number, because the mean of its divisors is an integer number (16291341057096).

Almost surely, 2^{211011220220212} is an apocalyptic number.

It is an amenable number.

211011220220212 is a deficient number, since it is larger than the sum of its proper divisors (179980965150092).

211011220220212 is a wasteful number, since it uses less digits than its factorization.

211011220220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402615 (or 6402613 counting only the distinct ones).

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

Adding to 211011220220212 its reverse (212022022110112), we get a palindrome (423033242330324).

The spelling of 211011220220212 in words is "two hundred eleven trillion, eleven billion, two hundred twenty million, two hundred twenty thousand, two hundred twelve".