1102272101 has 12 divisors (see below), whose sum is σ = 1285116300. Its totient is φ = 942681600.

The previous prime is 1102272071. The next prime is 1102272103. The reversal of 1102272101 is 1012722011.

It can be written as a sum of positive squares in 2 ways, for example, as 389115076 + 713157025 = 19726^2 + 26705^2 .

It is not a de Polignac number, because 1102272101 - 2³⁰ = 28530277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102272101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102272103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3050 + ... + 47051.

It is an arithmetic number, because the mean of its divisors is an integer number (107093025).

Almost surely, 2^1102272101 is an apocalyptic number.

It is an amenable number.

1102272101 is a deficient number, since it is larger than the sum of its proper divisors (182844199).

1102272101 is an equidigital number, since it uses as much as digits as its factorization.

1102272101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50564 (or 50557 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 1102272101 is about 33200.4834452753. The cubic root of 1102272101 is about 1032.9903674740.

Adding to 1102272101 its reverse (1012722011), we get a palindrome (2114994112).

The spelling of 1102272101 in words is "one billion, one hundred two million, two hundred seventy-two thousand, one hundred one".