211201020222122 has 64 divisors (see below), whose sum is σ = 367674848352000. Its totient is φ = 89112310949376.

The previous prime is 211201020222119. The next prime is 211201020222173. The reversal of 211201020222122 is 221222020102112.

It is a junction number, because it is equal to n+sod(n) for n = 211201020222094 and 211201020222103.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 14822157254 + ... + 14822171502.

It is an arithmetic number, because the mean of its divisors is an integer number (5744919505500).

Almost surely, 2^{211201020222122} is an apocalyptic number.

211201020222122 is a deficient number, since it is larger than the sum of its proper divisors (156473828129878).

211201020222122 is a wasteful number, since it uses less digits than its factorization.

211201020222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22335.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211201020222122 its reverse (221222020102112), we get a palindrome (432423040324234).

The spelling of 211201020222122 in words is "two hundred eleven trillion, two hundred one billion, twenty million, two hundred twenty-two thousand, one hundred twenty-two".