1101122101 has 4 divisors (see below), whose sum is σ = 1102569804. Its totient is φ = 1099674400.

The previous prime is 1101122093. The next prime is 1101122107. The reversal of 1101122101 is 1012211011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1012211011 = 7 ⋅144601573.

It can be written as a sum of positive squares in 2 ways, for example, as 35164900 + 1065957201 = 5930^2 + 32649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101122101 - 2³ = 1101122093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101122107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722710 + ... + 724231.

It is an arithmetic number, because the mean of its divisors is an integer number (275642451).

Almost surely, 2^1101122101 is an apocalyptic number.

It is an amenable number.

1101122101 is a deficient number, since it is larger than the sum of its proper divisors (1447703).

1101122101 is an equidigital number, since it uses as much as digits as its factorization.

1101122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447702.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1101122101 is about 33183.1599007689. The cubic root of 1101122101 is about 1032.6310030042.

Adding to 1101122101 its reverse (1012211011), we get a palindrome (2113333112).

It can be divided in two parts, 110 and 1122101, that added together give a palindrome (1122211).

The spelling of 1101122101 in words is "one billion, one hundred one million, one hundred twenty-two thousand, one hundred one".