211102100021212 has 24 divisors (see below), whose sum is σ = 378022205894256. Its totient is φ = 103095783614208.

The previous prime is 211102100021149. The next prime is 211102100021273. The reversal of 211102100021212 is 212120001201112.

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, 27370578 + ... + 34225030.

It is an arithmetic number, because the mean of its divisors is an integer number (15750925245594).

Almost surely, 2^{211102100021212} is an apocalyptic number.

It is an amenable number.

211102100021212 is a deficient number, since it is larger than the sum of its proper divisors (166920105873044).

211102100021212 is a wasteful number, since it uses less digits than its factorization.

211102100021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033557 (or 7033555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211102100021212 its reverse (212120001201112), we get a palindrome (423222101222324).

The spelling of 211102100021212 in words is "two hundred eleven trillion, one hundred two billion, one hundred million, twenty-one thousand, two hundred twelve".