211122222022 has 16 divisors (see below), whose sum is σ = 320583599280. Its totient is φ = 104263555968.

The previous prime is 211122222011. The next prime is 211122222071. The reversal of 211122222022 is 220222221112.

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, 466128 + ... + 799699.

It is an arithmetic number, because the mean of its divisors is an integer number (20036474955).

Almost surely, 2^211122222022 is an apocalyptic number.

211122222022 is a deficient number, since it is larger than the sum of its proper divisors (109461377258).

211122222022 is a wasteful number, since it uses less digits than its factorization.

211122222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266855.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211122222022 its reverse (220222221112), we get a palindrome (431344443134).

The spelling of 211122222022 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-two".