2102042212 has 6 divisors (see below), whose sum is σ = 3678573878. Its totient is φ = 1051021104.

The previous prime is 2102042207. The next prime is 2102042221. The reversal of 2102042212 is 2122402012.

It can be written as a sum of positive squares in only one way, i.e., 1132591716 + 969450496 = 33654^2 + 31136^2 .

It is a super-2 number, since 2×2102042212² = 8837162922059705888, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 262755273 + ... + 262755280.

Almost surely, 2^2102042212 is an apocalyptic number.

It is an amenable number.

2102042212 is a deficient number, since it is larger than the sum of its proper divisors (1576531666).

2102042212 is a wasteful number, since it uses less digits than its factorization.

2102042212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525510557 (or 525510555 counting only the distinct ones).

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

The square root of 2102042212 is about 45848.0338945957. The cubic root of 2102042212 is about 1280.9941438519.

Adding to 2102042212 its reverse (2122402012), we get a palindrome (4224444224).

The spelling of 2102042212 in words is "two billion, one hundred two million, forty-two thousand, two hundred twelve".