1103213011 has 16 divisors (see below), whose sum is σ = 1194740064. Its totient is φ = 1014902784.

The previous prime is 1103212997. The next prime is 1103213051. The reversal of 1103213011 is 1103123011.

It is a cyclic number.

It is not a de Polignac number, because 1103213011 - 2⁷ = 1103212883 is a prime.

It is a super-2 number, since 2×1103213011² = 2434157895279372242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103212982 and 1103213000.

It is not an unprimeable number, because it can be changed into a prime (1103213051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136300 + ... + 144166.

It is an arithmetic number, because the mean of its divisors is an integer number (74671254).

Almost surely, 2^1103213011 is an apocalyptic number.

1103213011 is a deficient number, since it is larger than the sum of its proper divisors (91527053).

1103213011 is a wasteful number, since it uses less digits than its factorization.

1103213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1103213011 is about 33214.6505476123. The cubic root of 1103213011 is about 1033.2842073651.

Adding to 1103213011 its reverse (1103123011), we get a palindrome (2206336022).

Subtracting from 1103213011 its reverse (1103123011), we obtain a square (90000 = 300²).

The spelling of 1103213011 in words is "one billion, one hundred three million, two hundred thirteen thousand, eleven".