211110222001122 has 48 divisors (see below), whose sum is σ = 469770691483392. Its totient is φ = 68467757410080.

The previous prime is 211110222001103. The next prime is 211110222001123. The reversal of 211110222001122 is 221100222011112.

211110222001122 is a `hidden beast` number, since 211 + 110 + 2 + 220 + 0 + 1 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211110222001095 and 211110222001104.

It is not an unprimeable number, because it can be changed into a prime (211110222001123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117796497 + ... + 119575227.

It is an arithmetic number, because the mean of its divisors is an integer number (9786889405904).

Almost surely, 2^{211110222001122} is an apocalyptic number.

211110222001122 is an abundant number, since it is smaller than the sum of its proper divisors (258660469482270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211110222001122 is a wasteful number, since it uses less digits than its factorization.

211110222001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956983 (or 1956980 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211110222001122 its reverse (221100222011112), we get a palindrome (432210444012234).

The spelling of 211110222001122 in words is "two hundred eleven trillion, one hundred ten billion, two hundred twenty-two million, one thousand, one hundred twenty-two".