1100321212 has 6 divisors (see below), whose sum is σ = 1925562128. Its totient is φ = 550160604.

The previous prime is 1100321191. The next prime is 1100321213. The reversal of 1100321212 is 2121230011.

It is a junction number, because it is equal to n+sod(n) for n = 1100321192 and 1100321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100321213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137540148 + ... + 137540155.

Almost surely, 2^1100321212 is an apocalyptic number.

It is an amenable number.

1100321212 is a deficient number, since it is larger than the sum of its proper divisors (825240916).

1100321212 is a wasteful number, since it uses less digits than its factorization.

1100321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275080307 (or 275080305 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1100321212 is about 33171.0900031940. The cubic root of 1100321212 is about 1032.3805846959.

Adding to 1100321212 its reverse (2121230011), we get a palindrome (3221551223).

The spelling of 1100321212 in words is "one billion, one hundred million, three hundred twenty-one thousand, two hundred twelve".