1101131212 has 12 divisors (see below), whose sum is σ = 1944033336. Its totient is φ = 545693120.

The previous prime is 1101131177. The next prime is 1101131237. The reversal of 1101131212 is 2121311011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1101131192 and 1101131201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217614 + ... + 1218517.

It is an arithmetic number, because the mean of its divisors is an integer number (162002778).

Almost surely, 2^1101131212 is an apocalyptic number.

It is an amenable number.

1101131212 is a deficient number, since it is larger than the sum of its proper divisors (842902124).

1101131212 is a wasteful number, since it uses less digits than its factorization.

1101131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436248 (or 2436246 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1101131212 is about 33183.2971839750. The cubic root of 1101131212 is about 1032.6338510913.

Adding to 1101131212 its reverse (2121311011), we get a palindrome (3222442223).

The spelling of 1101131212 in words is "one billion, one hundred one million, one hundred thirty-one thousand, two hundred twelve".