211112002020212 has 6 divisors (see below), whose sum is σ = 369446003535378. Its totient is φ = 105556001010104.

The previous prime is 211112002020211. The next prime is 211112002020251. The reversal of 211112002020212 is 212020200211112.

It can be written as a sum of positive squares in only one way, i.e., 209713378842256 + 1398623177956 = 14481484^2 + 1182634^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112002020211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26389000252523 + ... + 26389000252530.

It is an arithmetic number, because the mean of its divisors is an integer number (61574333922563).

Almost surely, 2^{211112002020212} is an apocalyptic number.

It is an amenable number.

211112002020212 is a deficient number, since it is larger than the sum of its proper divisors (158334001515166).

211112002020212 is a wasteful number, since it uses less digits than its factorization.

211112002020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52778000505057 (or 52778000505055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211112002020212 its reverse (212020200211112), we get a palindrome (423132202231324).

The spelling of 211112002020212 in words is "two hundred eleven trillion, one hundred twelve billion, two million, twenty thousand, two hundred twelve".