211011222220122 has 64 divisors (see below), whose sum is σ = 437063065847424. Its totient is φ = 67877111427840.

The previous prime is 211011222220103. The next prime is 211011222220153. The reversal of 211011222220122 is 221022222110112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6591708 + ... + 21574824.

It is an arithmetic number, because the mean of its divisors is an integer number (6829110403866).

Almost surely, 2^{211011222220122} is an apocalyptic number.

211011222220122 is an abundant number, since it is smaller than the sum of its proper divisors (226051843627302).

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

211011222220122 is a wasteful number, since it uses less digits than its factorization.

211011222220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14983903.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211011222220122 its reverse (221022222110112), we get a palindrome (432033444330234).

The spelling of 211011222220122 in words is "two hundred eleven trillion, eleven billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-two".