210020122201122 has 32 divisors (see below), whose sum is σ = 466713278391360. Its totient is φ = 70006423042080.

The previous prime is 210020122201051. The next prime is 210020122201129. The reversal of 210020122201122 is 221102221020012.

It is a happy number.

210020122201122 is a `hidden beast` number, since 210 + 0 + 201 + 2 + 220 + 11 + 22 = 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 = 210020122201095 and 210020122201104.

It is not an unprimeable number, because it can be changed into a prime (210020122201129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5734497 + ... + 21282027.

It is an arithmetic number, because the mean of its divisors is an integer number (14584789949730).

Almost surely, 2^{210020122201122} is an apocalyptic number.

210020122201122 is an abundant number, since it is smaller than the sum of its proper divisors (256693156190238).

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

210020122201122 is a wasteful number, since it uses less digits than its factorization.

210020122201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15797695 (or 15797689 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210020122201122 its reverse (221102221020012), we get a palindrome (431122343221134).

The spelling of 210020122201122 in words is "two hundred ten trillion, twenty billion, one hundred twenty-two million, two hundred one thousand, one hundred twenty-two".