2101242222 has 40 divisors (see below), whose sum is σ = 4713043896. Its totient is φ = 699714288.

The previous prime is 2101242181. The next prime is 2101242271. The reversal of 2101242222 is 2222421012.

2101242222 is a `hidden beast` number, since 210 + 12 + 422 + 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 = 2101242195 and 2101242204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 171133 + ... + 182999.

Almost surely, 2^2101242222 is an apocalyptic number.

2101242222 is an abundant number, since it is smaller than the sum of its proper divisors (2611801674).

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

2101242222 is a wasteful number, since it uses less digits than its factorization.

2101242222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12974 (or 12965 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2101242222 is about 45839.3086989758. The cubic root of 2101242222 is about 1280.8316173765.

Adding to 2101242222 its reverse (2222421012), we get a palindrome (4323663234).

The spelling of 2101242222 in words is "two billion, one hundred one million, two hundred forty-two thousand, two hundred twenty-two".