211002022122 has 32 divisors (see below), whose sum is σ = 431666233344. Its totient is φ = 68728388400.

The previous prime is 211002022117. The next prime is 211002022151. The reversal of 211002022122 is 221220200112.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 414954 + ... + 770837.

It is an arithmetic number, because the mean of its divisors is an integer number (13489569792).

Almost surely, 2^211002022122 is an apocalyptic number.

211002022122 is an abundant number, since it is smaller than the sum of its proper divisors (220664211222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211002022122 is a wasteful number, since it uses less digits than its factorization.

211002022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186474.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211002022122 its reverse (221220200112), we get a palindrome (432222222234).

The spelling of 211002022122 in words is "two hundred eleven billion, two million, twenty-two thousand, one hundred twenty-two".