1100916921 has 8 divisors (see below), whose sum is σ = 1580803840. Its totient is φ = 677487312.

The previous prime is 1100916911. The next prime is 1100916979. The reversal of 1100916921 is 1296190011.

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

It is not a de Polignac number, because 1100916921 - 2¹⁷ = 1100785849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100916911) 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, 14114281 + ... + 14114358.

It is an arithmetic number, because the mean of its divisors is an integer number (197600480).

Almost surely, 2^1100916921 is an apocalyptic number.

It is an amenable number.

1100916921 is a deficient number, since it is larger than the sum of its proper divisors (479886919).

1100916921 is a wasteful number, since it uses less digits than its factorization.

1100916921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28228655.

The product of its (nonzero) digits is 972, while the sum is 30.

The square root of 1100916921 is about 33180.0681283207. The cubic root of 1100916921 is about 1032.5668598329.

The spelling of 1100916921 in words is "one billion, one hundred million, nine hundred sixteen thousand, nine hundred twenty-one".