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1102221001 = 7199791257
BaseRepresentation
bin100000110110010…
…1000111011001001
32211211000121222001
41001230220323021
54224132033001
6301212231001
736212503210
oct10154507311
92754017861
101102221001
115161a1a52
1226916b461
1314747a89b
14a655a077
1566b74001
hex41b28ec9

1102221001 has 8 divisors (see below), whose sum is σ = 1266012800. Its totient is φ = 940012128.

The previous prime is 1102220947. The next prime is 1102221007. The reversal of 1102221001 is 1001222011.

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 1102221001 - 213 = 1102212809 is a prime.

It is a super-2 number, since 2×11022210012 = 2429782270090884002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102221007) 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, 394236 + ... + 397021.

It is an arithmetic number, because the mean of its divisors is an integer number (158251600).

Almost surely, 21102221001 is an apocalyptic number.

It is an amenable number.

1102221001 is a deficient number, since it is larger than the sum of its proper divisors (163791799).

1102221001 is an equidigital number, since it uses as much as digits as its factorization.

1102221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791463.

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

The square root of 1102221001 is about 33199.7138692489. The cubic root of 1102221001 is about 1032.9744044998.

Adding to 1102221001 its reverse (1001222011), we get a palindrome (2103443012).

It can be divided in two parts, 11022 and 21001, that added together give a palindrome (32023).

The spelling of 1102221001 in words is "one billion, one hundred two million, two hundred twenty-one thousand, one".

Divisors: 1 7 199 1393 791257 5538799 157460143 1102221001