211122022022 has 4 divisors (see below), whose sum is σ = 316683033036. Its totient is φ = 105561011010.

The previous prime is 211122022021. The next prime is 211122022043. The reversal of 211122022022 is 220220221112.

It is a happy number.

211122022022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52780505504 + ... + 52780505507.

It is an arithmetic number, because the mean of its divisors is an integer number (79170758259).

Almost surely, 2^211122022022 is an apocalyptic number.

211122022022 is a deficient number, since it is larger than the sum of its proper divisors (105561011014).

211122022022 is a wasteful number, since it uses less digits than its factorization.

211122022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105561011013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211122022022 its reverse (220220221112), we get a palindrome (431342243134).

The spelling of 211122022022 in words is "two hundred eleven billion, one hundred twenty-two million, twenty-two thousand, twenty-two".