211122020120122 has 16 divisors (see below), whose sum is σ = 321430997508192. Its totient is φ = 103978563646320.

The previous prime is 211122020120111. The next prime is 211122020120129. The reversal of 211122020120122 is 221021020221112.

It is a self number, because there is not a number n which added to its sum of digits gives 211122020120122.

It is not an unprimeable number, because it can be changed into a prime (211122020120129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50315904 + ... + 54350107.

It is an arithmetic number, because the mean of its divisors is an integer number (20089437344262).

Almost surely, 2^{211122020120122} is an apocalyptic number.

211122020120122 is a deficient number, since it is larger than the sum of its proper divisors (110308977388070).

211122020120122 is a wasteful number, since it uses less digits than its factorization.

211122020120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104681133.

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

Adding to 211122020120122 its reverse (221021020221112), we get a palindrome (432143040341234).

The spelling of 211122020120122 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty million, one hundred twenty thousand, one hundred twenty-two".