211021212200122 has 8 divisors (see below), whose sum is σ = 316774743721056. Its totient is φ = 105429630959772.

The previous prime is 211021212200119. The next prime is 211021212200129. The reversal of 211021212200122 is 221002212120112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211021212200122.

It is not an unprimeable number, because it can be changed into a prime (211021212200129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40487566888 + ... + 40487572099.

It is an arithmetic number, because the mean of its divisors is an integer number (39596842965132).

Almost surely, 2^{211021212200122} is an apocalyptic number.

211021212200122 is a deficient number, since it is larger than the sum of its proper divisors (105753531520934).

211021212200122 is a wasteful number, since it uses less digits than its factorization.

211021212200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80975140292.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211021212200122 its reverse (221002212120112), we get a palindrome (432023424320234).

The spelling of 211021212200122 in words is "two hundred eleven trillion, twenty-one billion, two hundred twelve million, two hundred thousand, one hundred twenty-two".