1101220983 has 24 divisors (see below), whose sum is σ = 1619847216. Its totient is φ = 720720000.

The previous prime is 1101220949. The next prime is 1101220993. The reversal of 1101220983 is 3890221011.

It is not a de Polignac number, because 1101220983 - 2⁶ = 1101220919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101220903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337108 + ... + 340358.

It is an arithmetic number, because the mean of its divisors is an integer number (67493634).

Almost surely, 2^1101220983 is an apocalyptic number.

1101220983 is a deficient number, since it is larger than the sum of its proper divisors (518626233).

1101220983 is a wasteful number, since it uses less digits than its factorization.

1101220983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935 (or 3932 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1101220983 is about 33184.6498098142. The cubic root of 1101220983 is about 1032.6619125531.

Adding to 1101220983 its reverse (3890221011), we get a palindrome (4991441994).

The spelling of 1101220983 in words is "one billion, one hundred one million, two hundred twenty thousand, nine hundred eighty-three".