11102204531 has 16 divisors (see below), whose sum is σ = 12599193600. Its totient is φ = 9690391200.

The previous prime is 11102204447. The next prime is 11102204551. The reversal of 11102204531 is 13540220111.

It is a cyclic number.

It is not a de Polignac number, because 11102204531 - 2¹⁸ = 11101942387 is a prime.

It is a super-2 number, since 2×11102204531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102204551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40115 + ... + 154316.

It is an arithmetic number, because the mean of its divisors is an integer number (787449600).

Almost surely, 2^11102204531 is an apocalyptic number.

11102204531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11102204531 is a deficient number, since it is larger than the sum of its proper divisors (1496989069).

11102204531 is a wasteful number, since it uses less digits than its factorization.

11102204531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194650.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11102204531 its reverse (13540220111), we get a palindrome (24642424642).

The spelling of 11102204531 in words is "eleven billion, one hundred two million, two hundred four thousand, five hundred thirty-one".