211122112210012 has 24 divisors (see below), whose sum is σ = 394532979442560. Its totient is φ = 98633244857280.

The previous prime is 211122112210007. The next prime is 211122112210019. The reversal of 211122112210012 is 210012211221112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122112210019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29355128803 + ... + 29355135994.

It is an arithmetic number, because the mean of its divisors is an integer number (16438874143440).

Almost surely, 2^{211122112210012} is an apocalyptic number.

It is an amenable number.

211122112210012 is a deficient number, since it is larger than the sum of its proper divisors (183410867232548).

211122112210012 is a wasteful number, since it uses less digits than its factorization.

211122112210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58710264861 (or 58710264859 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211122112210012 its reverse (210012211221112), we get a palindrome (421134323431124).

The spelling of 211122112210012 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred twelve million, two hundred ten thousand, twelve".