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2213101123 = 17130182419
BaseRepresentation
bin1000001111101001…
…0011111001000011
312201020100012000021
42003322103321003
514013023213443
61003334234311
7105562022602
oct20372237103
95636305007
102213101123
11a362686a2
125191b5997
1329366a8bc
1416dccba39
15ce4589ed
hex83e93e43

2213101123 has 4 divisors (see below), whose sum is σ = 2343283560. Its totient is φ = 2082918688.

The previous prime is 2213101117. The next prime is 2213101139. The reversal of 2213101123 is 3211013122.

2213101123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2213101123 is a prime.

It is a super-2 number, since 2×22131011232 = 9795633161247722258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213101097 and 2213101106.

It is not an unprimeable number, because it can be changed into a prime (2213101103) 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, 65091193 + ... + 65091226.

It is an arithmetic number, because the mean of its divisors is an integer number (585820890).

Almost surely, 22213101123 is an apocalyptic number.

2213101123 is a deficient number, since it is larger than the sum of its proper divisors (130182437).

2213101123 is a wasteful number, since it uses less digits than its factorization.

2213101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130182436.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2213101123 is about 47043.6087370006. The cubic root of 2213101123 is about 1303.1680372799.

Adding to 2213101123 its reverse (3211013122), we get a palindrome (5424114245).

The spelling of 2213101123 in words is "two billion, two hundred thirteen million, one hundred one thousand, one hundred twenty-three".

Divisors: 1 17 130182419 2213101123