2100111120222 has 64 divisors (see below), whose sum is σ = 4334034270720. Its totient is φ = 677915070336.

The previous prime is 2100111120221. The next prime is 2100111120227. The reversal of 2100111120222 is 2220211110012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100111120221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219971253 + ... + 219980799.

It is an arithmetic number, because the mean of its divisors is an integer number (67719285480).

Almost surely, 2^{2100111120222} is an apocalyptic number.

2100111120222 is an abundant number, since it is smaller than the sum of its proper divisors (2233923150498).

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

2100111120222 is a wasteful number, since it uses less digits than its factorization.

2100111120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14145.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2100111120222 its reverse (2220211110012), we get a palindrome (4320322230234).

The spelling of 2100111120222 in words is "two trillion, one hundred billion, one hundred eleven million, one hundred twenty thousand, two hundred twenty-two".