Search a number
-
+
11220011201 = 71602858743
BaseRepresentation
bin10100111001100001…
…11100100011000001
31001221221102121212102
422130300330203001
5140434310324301
65053203440145
7545020343630
oct123460744301
931857377772
1011220011201
114838449533
122211686055
13109a69a1a9
147861c1517
1545a04cb6b
hex29cc3c8c1

11220011201 has 4 divisors (see below), whose sum is σ = 12822869952. Its totient is φ = 9617152452.

The previous prime is 11220011191. The next prime is 11220011249. The reversal of 11220011201 is 10211002211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10211002211 = 19537421169.

It is a cyclic number.

It is not a de Polignac number, because 11220011201 - 210 = 11220010177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220031201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801429365 + ... + 801429378.

It is an arithmetic number, because the mean of its divisors is an integer number (3205717488).

Almost surely, 211220011201 is an apocalyptic number.

It is an amenable number.

11220011201 is a deficient number, since it is larger than the sum of its proper divisors (1602858751).

11220011201 is an equidigital number, since it uses as much as digits as its factorization.

11220011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602858750.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11220011201 its reverse (10211002211), we get a palindrome (21431013412).

The spelling of 11220011201 in words is "eleven billion, two hundred twenty million, eleven thousand, two hundred one".

Divisors: 1 7 1602858743 11220011201