211102011201212 has 6 divisors (see below), whose sum is σ = 369428519602128. Its totient is φ = 105551005600604.

The previous prime is 211102011201071. The next prime is 211102011201217. The reversal of 211102011201212 is 212102110201112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102011201217) by changing a digit.

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, 26387751400148 + ... + 26387751400155.

It is an arithmetic number, because the mean of its divisors is an integer number (61571419933688).

Almost surely, 2^{211102011201212} is an apocalyptic number.

It is an amenable number.

211102011201212 is a deficient number, since it is larger than the sum of its proper divisors (158326508400916).

211102011201212 is a wasteful number, since it uses less digits than its factorization.

211102011201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52775502800307 (or 52775502800305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211102011201212 its reverse (212102110201112), we get a palindrome (423204121402324).

The spelling of 211102011201212 in words is "two hundred eleven trillion, one hundred two billion, eleven million, two hundred one thousand, two hundred twelve".