2102222212 has 12 divisors (see below), whose sum is σ = 3679432540. Its totient is φ = 1050955776.

The previous prime is 2102222131. The next prime is 2102222231. The reversal of 2102222212 is 2122222012.

It can be written as a sum of positive squares in 2 ways, for example, as 461648196 + 1640574016 = 21486^2 + 40504^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5133 + ... + 65044.

Almost surely, 2^2102222212 is an apocalyptic number.

It is an amenable number.

2102222212 is a deficient number, since it is larger than the sum of its proper divisors (1577210328).

2102222212 is a wasteful number, since it uses less digits than its factorization.

2102222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77670 (or 77668 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2102222212 is about 45849.9968593238. The cubic root of 2102222212 is about 1281.0307070829.

Adding to 2102222212 its reverse (2122222012), we get a palindrome (4224444224).

It can be divided in two parts, 21022 and 22212, that added together give a palindrome (43234).

The spelling of 2102222212 in words is "two billion, one hundred two million, two hundred twenty-two thousand, two hundred twelve".