211102002221212 has 24 divisors (see below), whose sum is σ = 371642079281760. Its totient is φ = 104918555857920.

The previous prime is 211102002221179. The next prime is 211102002221221. The reversal of 211102002221212 is 212122200201112.

It is a self number, because there is not a number n which added to its sum of digits gives 211102002221212.

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, 251637012 + ... + 252474532.

It is an arithmetic number, because the mean of its divisors is an integer number (15485086636740).

Almost surely, 2^{211102002221212} is an apocalyptic number.

It is an amenable number.

211102002221212 is a deficient number, since it is larger than the sum of its proper divisors (160540077060548).

211102002221212 is a wasteful number, since it uses less digits than its factorization.

211102002221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215021 (or 1215019 counting only the distinct ones).

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

Adding to 211102002221212 its reverse (212122200201112), we get a palindrome (423224202422324).

The spelling of 211102002221212 in words is "two hundred eleven trillion, one hundred two billion, two million, two hundred twenty-one thousand, two hundred twelve".