1100221201 has 8 divisors (see below), whose sum is σ = 1158447680. Its totient is φ = 1042026768.

The previous prime is 1100221151. The next prime is 1100221207. The reversal of 1100221201 is 1021220011.

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 1100221201 - 2¹⁵ = 1100188433 is a prime.

It is a super-2 number, since 2×1100221201² = 2420973382259764802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100221207) 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, 99775 + ... + 110251.

It is an arithmetic number, because the mean of its divisors is an integer number (144805960).

Almost surely, 2^1100221201 is an apocalyptic number.

It is an amenable number.

1100221201 is a deficient number, since it is larger than the sum of its proper divisors (58226479).

1100221201 is a wasteful number, since it uses less digits than its factorization.

1100221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16023.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1100221201 is about 33169.5824664707. The cubic root of 1100221201 is about 1032.3493051805.

Adding to 1100221201 its reverse (1021220011), we get a palindrome (2121441212).

The spelling of 1100221201 in words is "one billion, one hundred million, two hundred twenty-one thousand, two hundred one".