210111022201122 has 96 divisors (see below), whose sum is σ = 534446016579072. Its totient is φ = 58397258904192.

The previous prime is 210111022201097. The next prime is 210111022201153. The reversal of 210111022201122 is 221102220111012.

210111022201122 is a `hidden beast` number, since 210 + 1 + 110 + 2 + 220 + 1 + 122 = 666.

210111022201122 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 = 210111022201095 and 210111022201104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18116023 + ... + 27357125.

It is an arithmetic number, because the mean of its divisors is an integer number (5567146006032).

Almost surely, 2^{210111022201122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210111022201122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267223008289536).

210111022201122 is an abundant number, since it is smaller than the sum of its proper divisors (324334994377950).

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

210111022201122 is a wasteful number, since it uses less digits than its factorization.

210111022201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246032 (or 9246029 counting only the distinct ones).

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

Adding to 210111022201122 its reverse (221102220111012), we get a palindrome (431213242312134).

The spelling of 210111022201122 in words is "two hundred ten trillion, one hundred eleven billion, twenty-two million, two hundred one thousand, one hundred twenty-two".