2100000122222 has 8 divisors (see below), whose sum is σ = 3258620879400. Its totient is φ = 1013793162424.

The previous prime is 2100000122221. The next prime is 2100000122239. The reversal of 2100000122222 is 2222210000012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2100000122197 and 2100000122206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100000122221) 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 3 ways as a sum of consecutive naturals, for example, 18103449272 + ... + 18103449387.

It is an arithmetic number, because the mean of its divisors is an integer number (407327609925).

Almost surely, 2^{2100000122222} is an apocalyptic number.

2100000122222 is a deficient number, since it is larger than the sum of its proper divisors (1158620757178).

2100000122222 is a wasteful number, since it uses less digits than its factorization.

2100000122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36206898690.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2100000122222 its reverse (2222210000012), we get a palindrome (4322210122234).

It can be divided in two parts, 210000012 and 2222, that multiplied together give a palindrome (466620026664).

The spelling of 2100000122222 in words is "two trillion, one hundred billion, one hundred twenty-two thousand, two hundred twenty-two".