211112221002122 has 64 divisors (see below), whose sum is σ = 356944364741376. Its totient is φ = 92833560000000.

The previous prime is 211112221002103. The next prime is 211112221002127. The reversal of 211112221002122 is 221200122211112.

It is a junction number, because it is equal to n+sod(n) for n = 211112221002094 and 211112221002103.

It is not an unprimeable number, because it can be changed into a prime (211112221002127) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 15309422 + ... + 25624262.

It is an arithmetic number, because the mean of its divisors is an integer number (5577255699084).

Almost surely, 2^{211112221002122} is an apocalyptic number.

211112221002122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211112221002122 is a deficient number, since it is larger than the sum of its proper divisors (145832143739254).

211112221002122 is a wasteful number, since it uses less digits than its factorization.

211112221002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10315167.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211112221002122 its reverse (221200122211112), we get a palindrome (432312343213234).

The spelling of 211112221002122 in words is "two hundred eleven trillion, one hundred twelve billion, two hundred twenty-one million, two thousand, one hundred twenty-two".