211121110001122 has 16 divisors (see below), whose sum is σ = 319756932585792. Its totient is φ = 104535470218320.

The previous prime is 211121110001107. The next prime is 211121110001141. The reversal of 211121110001122 is 221100011121112.

It is a junction number, because it is equal to n+sod(n) for n = 211121110001096 and 211121110001105.

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, 136221708 + ... + 137762824.

It is an arithmetic number, because the mean of its divisors is an integer number (19984808286612).

Almost surely, 2^{211121110001122} is an apocalyptic number.

211121110001122 is a deficient number, since it is larger than the sum of its proper divisors (108635822584670).

211121110001122 is a wasteful number, since it uses less digits than its factorization.

211121110001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206233.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 211121110001122 its reverse (221100011121112), we get a palindrome (432221121122234).

The spelling of 211121110001122 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred ten million, one thousand, one hundred twenty-two".