1101213113 has 48 divisors (see below), whose sum is σ = 1570617216. Its totient is φ = 757532160.

The previous prime is 1101213073. The next prime is 1101213119. The reversal of 1101213113 is 3113121011.

It is a happy number.

It is not a de Polignac number, because 1101213113 - 2⁶ = 1101213049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101213119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157745 + ... + 164577.

It is an arithmetic number, because the mean of its divisors is an integer number (32721192).

Almost surely, 2^1101213113 is an apocalyptic number.

1101213113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1101213113 is a deficient number, since it is larger than the sum of its proper divisors (469404103).

1101213113 is a wasteful number, since it uses less digits than its factorization.

1101213113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6894 (or 6887 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1101213113 is about 33184.5312306804. The cubic root of 1101213113 is about 1032.6594525357.

Adding to 1101213113 its reverse (3113121011), we get a palindrome (4214334124).

The spelling of 1101213113 in words is "one billion, one hundred one million, two hundred thirteen thousand, one hundred thirteen".