211200022222 has 16 divisors (see below), whose sum is σ = 362097042912. Its totient is φ = 90504329760.

The previous prime is 211200022219. The next prime is 211200022261. The reversal of 211200022222 is 222220002112.

It is a junction number, because it is equal to n+sod(n) for n = 211200022196 and 211200022205.

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, 698029 + ... + 953752.

It is an arithmetic number, because the mean of its divisors is an integer number (22631065182).

Almost surely, 2^211200022222 is an apocalyptic number.

211200022222 is a deficient number, since it is larger than the sum of its proper divisors (150897020690).

211200022222 is a wasteful number, since it uses less digits than its factorization.

211200022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660923.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 211200022222 its reverse (222220002112), we get a palindrome (433420024334).

The spelling of 211200022222 in words is "two hundred eleven billion, two hundred million, twenty-two thousand, two hundred twenty-two".