211121020110122 has 32 divisors (see below), whose sum is σ = 319760915276160. Its totient is φ = 104535691223040.

The previous prime is 211121020110109. The next prime is 211121020110127. The reversal of 211121020110122 is 221011020121112.

It is a self number, because there is not a number n which added to its sum of digits gives 211121020110122.

It is not an unprimeable number, because it can be changed into a prime (211121020110127) 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 15 ways as a sum of consecutive naturals, for example, 2172626597 + ... + 2172723767.

It is an arithmetic number, because the mean of its divisors is an integer number (9992528602380).

Almost surely, 2^{211121020110122} is an apocalyptic number.

211121020110122 is a deficient number, since it is larger than the sum of its proper divisors (108639895166038).

211121020110122 is a wasteful number, since it uses less digits than its factorization.

211121020110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105518.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211121020110122 its reverse (221011020121112), we get a palindrome (432132040231234).

The spelling of 211121020110122 in words is "two hundred eleven trillion, one hundred twenty-one billion, twenty million, one hundred ten thousand, one hundred twenty-two".