1102205055 has 16 divisors (see below), whose sum is σ = 2015460864. Its totient is φ = 503865120.

The previous prime is 1102205053. The next prime is 1102205089. The reversal of 1102205055 is 5505022011.

It is not a de Polignac number, because 1102205055 - 2¹ = 1102205053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102205053) 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, 5248491 + ... + 5248700.

It is an arithmetic number, because the mean of its divisors is an integer number (125966304).

Almost surely, 2^1102205055 is an apocalyptic number.

1102205055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1102205055 is a deficient number, since it is larger than the sum of its proper divisors (913255809).

1102205055 is a wasteful number, since it uses less digits than its factorization.

1102205055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10497206.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1102205055 is about 33199.4737157082. The cubic root of 1102205055 is about 1032.9694230761.

Adding to 1102205055 its reverse (5505022011), we get a palindrome (6607227066).

The spelling of 1102205055 in words is "one billion, one hundred two million, two hundred five thousand, fifty-five".