1121320101 has 8 divisors (see below), whose sum is σ = 1631011104. Its totient is φ = 679587920.

The previous prime is 1121320091. The next prime is 1121320129. The reversal of 1121320101 is 1010231211.

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

It is not a de Polignac number, because 1121320101 - 2⁶ = 1121320037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121320181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16989666 + ... + 16989731.

It is an arithmetic number, because the mean of its divisors is an integer number (203876388).

Almost surely, 2^1121320101 is an apocalyptic number.

1121320101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121320101 is a deficient number, since it is larger than the sum of its proper divisors (509691003).

1121320101 is a wasteful number, since it uses less digits than its factorization.

1121320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33979411.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1121320101 is about 33486.1180341944. The cubic root of 1121320101 is about 1038.9066730683.

Adding to 1121320101 its reverse (1010231211), we get a palindrome (2131551312).

The spelling of 1121320101 in words is "one billion, one hundred twenty-one million, three hundred twenty thousand, one hundred one".