2100123222 has 8 divisors (see below), whose sum is σ = 4200246456. Its totient is φ = 700041072.

The previous prime is 2100123211. The next prime is 2100123229. The reversal of 2100123222 is 2223210012.

It is a happy number.

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

2100123222 is an admirable number.

It is a super-2 number, since 2×2100123222² = 8821035095167322568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100123229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175010263 + ... + 175010274.

It is an arithmetic number, because the mean of its divisors is an integer number (525030807).

Almost surely, 2^2100123222 is an apocalyptic number.

2100123222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2100123222 is a wasteful number, since it uses less digits than its factorization.

2100123222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350020542.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2100123222 is about 45827.1013920802. The cubic root of 2100123222 is about 1280.6042114065.

Adding to 2100123222 its reverse (2223210012), we get a palindrome (4323333234).

The spelling of 2100123222 in words is "two billion, one hundred million, one hundred twenty-three thousand, two hundred twenty-two".