211102222028 has 12 divisors (see below), whose sum is σ = 369434143680. Its totient is φ = 105549609552.

The previous prime is 211102222027. The next prime is 211102222139. The reversal of 211102222028 is 820222201112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211102221994 and 211102222012.

It is not an unprimeable number, because it can be changed into a prime (211102222027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22076 + ... + 650147.

It is an arithmetic number, because the mean of its divisors is an integer number (30786178640).

Almost surely, 2^211102222028 is an apocalyptic number.

It is an amenable number.

211102222028 is a deficient number, since it is larger than the sum of its proper divisors (158331921652).

211102222028 is a wasteful number, since it uses less digits than its factorization.

211102222028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750736 (or 750734 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The spelling of 211102222028 in words is "two hundred eleven billion, one hundred two million, two hundred twenty-two thousand, twenty-eight".