211122020121110 has 16 divisors (see below), whose sum is σ = 434308155677856. Its totient is φ = 72384692612928.

The previous prime is 211122020121109. The next prime is 211122020121157. The reversal of 211122020121110 is 11121020221112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508014429367 + ... + 1508014429506.

It is an arithmetic number, because the mean of its divisors is an integer number (27144259729866).

Almost surely, 2^{211122020121110} is an apocalyptic number.

211122020121110 is an abundant number, since it is smaller than the sum of its proper divisors (223186135556746).

211122020121110 is a wasteful number, since it uses less digits than its factorization.

211122020121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016028858887.

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

Adding to 211122020121110 its reverse (11121020221112), we get a palindrome (222243040342222).

The spelling of 211122020121110 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty million, one hundred twenty-one thousand, one hundred ten".