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2211011113 = 9776929641
BaseRepresentation
bin1000001111001001…
…0101101000101001
312201002102000001111
42003302111220221
514012004323423
61003221350321
7105535166353
oct20362255051
95632360044
102211011113
11a35070413
125185683a1
132930b84cc
1416d9060d3
15ce19460d
hex83c95a29

2211011113 has 8 divisors (see below), whose sum is σ = 2236785320. Its totient is φ = 2185297920.

The previous prime is 2211011107. The next prime is 2211011129. The reversal of 2211011113 is 3111101122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 681575449 + 1529435664 = 26107^2 + 39108^2 .

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 2211011113 - 213 = 2211002921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211011093 and 2211011102.

It is not an unprimeable number, because it can be changed into a prime (2211011813) 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, 59773 + ... + 89413.

It is an arithmetic number, because the mean of its divisors is an integer number (279598165).

Almost surely, 22211011113 is an apocalyptic number.

It is an amenable number.

2211011113 is a deficient number, since it is larger than the sum of its proper divisors (25774207).

2211011113 is an equidigital number, since it uses as much as digits as its factorization.

2211011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30507.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2211011113 is about 47021.3899518081. The cubic root of 2211011113 is about 1302.7576791579.

Adding to 2211011113 its reverse (3111101122), we get a palindrome (5322112235).

Subtracting 2211011113 from its reverse (3111101122), we obtain a palindrome (900090009).

The spelling of 2211011113 in words is "two billion, two hundred eleven million, eleven thousand, one hundred thirteen".

Divisors: 1 97 769 29641 74593 2875177 22793929 2211011113