1101022312 has 16 divisors (see below), whose sum is σ = 2223218340. Its totient is φ = 508164096.

The previous prime is 1101022301. The next prime is 1101022313. The reversal of 1101022312 is 2132201011.

It can be written as a sum of positive squares in 2 ways, for example, as 1080173956 + 20848356 = 32866^2 + 4566^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1101022292 and 1101022301.

It is not an unprimeable number, because it can be changed into a prime (1101022313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5293273 + ... + 5293480.

Almost surely, 2^1101022312 is an apocalyptic number.

It is an amenable number.

1101022312 is an abundant number, since it is smaller than the sum of its proper divisors (1122196028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101022312 is a wasteful number, since it uses less digits than its factorization.

1101022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586772 (or 10586768 counting only the distinct ones).

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

The square root of 1101022312 is about 33181.6562576373. The cubic root of 1101022312 is about 1032.5998080598.

Adding to 1101022312 its reverse (2132201011), we get a palindrome (3233223323).

The spelling of 1101022312 in words is "one billion, one hundred one million, twenty-two thousand, three hundred twelve".