1100421212 has 24 divisors (see below), whose sum is σ = 2135248752. Its totient is φ = 491990400.

The previous prime is 1100421197. The next prime is 1100421239. The reversal of 1100421212 is 2121240011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202313 + ... + 207680.

It is an arithmetic number, because the mean of its divisors is an integer number (88968698).

Almost surely, 2^1100421212 is an apocalyptic number.

It is an amenable number.

1100421212 is a deficient number, since it is larger than the sum of its proper divisors (1034827540).

1100421212 is a wasteful number, since it uses less digits than its factorization.

1100421212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410069 (or 410067 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1100421212 is about 33172.5973056075. The cubic root of 1100421212 is about 1032.4118588760.

Adding to 1100421212 its reverse (2121240011), we get a palindrome (3221661223).

The spelling of 1100421212 in words is "one billion, one hundred million, four hundred twenty-one thousand, two hundred twelve".