1121110001 has 8 divisors (see below), whose sum is σ = 1224782208. Its totient is φ = 1017730000.

The previous prime is 1121109959. The next prime is 1121110013. The reversal of 1121110001 is 1000111211.

It is a happy number.

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 1121110001 - 2⁶ = 1121109937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121110021) 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, 64985 + ... + 80406.

It is an arithmetic number, because the mean of its divisors is an integer number (153097776).

Almost surely, 2^1121110001 is an apocalyptic number.

1121110001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121110001 is a deficient number, since it is larger than the sum of its proper divisors (103672207).

1121110001 is a wasteful number, since it uses less digits than its factorization.

1121110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146103.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1121110001 is about 33482.9807663535. The cubic root of 1121110001 is about 1038.8417829072.

Adding to 1121110001 its reverse (1000111211), we get a palindrome (2121221212).

It can be divided in two parts, 11211 and 10001, that multiplied together give a palindrome (112121211).

The spelling of 1121110001 in words is "one billion, one hundred twenty-one million, one hundred ten thousand, one".