Search a number
-
+
2220101011111 = 37915017390077
BaseRepresentation
bin100000010011101000010…
…101010000011010100111
321212020110122201200220111
4200103220111100122213
5242333231324323421
64415522245313451
7316253113142014
oct40235025203247
97766418650814
102220101011111
117865a3163165
122ba32b405887
1313147c166c59
147964c42c70b
153cb3aec1ee1
hex204e85506a7

2220101011111 has 8 divisors (see below), whose sum is σ = 2226112733520. Its totient is φ = 2214090099648.

The previous prime is 2220101011081. The next prime is 2220101011151. The reversal of 2220101011111 is 1111101010222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2220101011111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220101011091 and 2220101011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220101011151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5496405 + ... + 5886481.

It is an arithmetic number, because the mean of its divisors is an integer number (278264091690).

Almost surely, 22220101011111 is an apocalyptic number.

2220101011111 is a deficient number, since it is larger than the sum of its proper divisors (6011722409).

2220101011111 is a wasteful number, since it uses less digits than its factorization.

2220101011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405473.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2220101011111 its reverse (1111101010222), we get a palindrome (3331202021333).

The spelling of 2220101011111 in words is "two trillion, two hundred twenty billion, one hundred one million, eleven thousand, one hundred eleven".

Divisors: 1 379 15017 390077 5691443 147839183 5857786309 2220101011111