211102012100222 has 4 divisors (see below), whose sum is σ = 316653018150336. Its totient is φ = 105551006050110.

The previous prime is 211102012100191. The next prime is 211102012100227. The reversal of 211102012100222 is 222001210201112.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211102012100222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102012100227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52775503025054 + ... + 52775503025057.

It is an arithmetic number, because the mean of its divisors is an integer number (79163254537584).

Almost surely, 2^{211102012100222} is an apocalyptic number.

211102012100222 is a deficient number, since it is larger than the sum of its proper divisors (105551006050114).

211102012100222 is a wasteful number, since it uses less digits than its factorization.

211102012100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105551006050113.

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

Adding to 211102012100222 its reverse (222001210201112), we get a palindrome (433103222301334).

The spelling of 211102012100222 in words is "two hundred eleven trillion, one hundred two billion, twelve million, one hundred thousand, two hundred twenty-two".