1121003101 has 8 divisors (see below), whose sum is σ = 1134579320. Its totient is φ = 1107468288.

The previous prime is 1121003089. The next prime is 1121003113. The reversal of 1121003101 is 1013001211.

It is an interprime number because it is at equal distance from previous prime (1121003089) and next prime (1121003113).

It can be written as a sum of positive squares in 4 ways, for example, as 350663076 + 770340025 = 18726^2 + 27755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121003101 - 2⁷ = 1121002973 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 (1121003131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45955 + ... + 65983.

It is an arithmetic number, because the mean of its divisors is an integer number (141822415).

Almost surely, 2^1121003101 is an apocalyptic number.

It is an amenable number.

1121003101 is a deficient number, since it is larger than the sum of its proper divisors (13576219).

1121003101 is an equidigital number, since it uses as much as digits as its factorization.

1121003101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20703.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1121003101 is about 33481.3843949141. The cubic root of 1121003101 is about 1038.8087633354.

Adding to 1121003101 its reverse (1013001211), we get a palindrome (2134004312).

The spelling of 1121003101 in words is "one billion, one hundred twenty-one million, three thousand, one hundred one".