1100021212 has 6 divisors (see below), whose sum is σ = 1925037128. Its totient is φ = 550010604.

The previous prime is 1100021203. The next prime is 1100021233. The reversal of 1100021212 is 2121200011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137502648 + ... + 137502655.

Almost surely, 2^1100021212 is an apocalyptic number.

It is an amenable number.

1100021212 is a deficient number, since it is larger than the sum of its proper divisors (825015916).

1100021212 is a wasteful number, since it uses less digits than its factorization.

1100021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275005307 (or 275005305 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1100021212 is about 33166.5676849444. The cubic root of 1100021212 is about 1032.2867507852.

Adding to 1100021212 its reverse (2121200011), we get a palindrome (3221221223).

The spelling of 1100021212 in words is "one billion, one hundred million, twenty-one thousand, two hundred twelve".