1101220013 has 16 divisors (see below), whose sum is σ = 1170408960. Its totient is φ = 1033973424.

The previous prime is 1101219991. The next prime is 1101220019. The reversal of 1101220013 is 3100221011.

It is a cyclic number.

It is not a de Polignac number, because 1101220013 - 2⁶ = 1101219949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1101219976 and 1101220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101220019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 309398 + ... + 312936.

It is an arithmetic number, because the mean of its divisors is an integer number (73150560).

Almost surely, 2^1101220013 is an apocalyptic number.

It is an amenable number.

1101220013 is a deficient number, since it is larger than the sum of its proper divisors (69188947).

1101220013 is a wasteful number, since it uses less digits than its factorization.

1101220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1101220013 is about 33184.6351946198. The cubic root of 1101220013 is about 1032.6616093496.

Adding to 1101220013 its reverse (3100221011), we get a palindrome (4201441024).

The spelling of 1101220013 in words is "one billion, one hundred one million, two hundred twenty thousand, thirteen".