Search a number
-
+
11112122221301 = 43258421447007
BaseRepresentation
bin1010000110110011111000…
…0110010000001011110101
31110100022022220101200000102
42201230332012100023311
52424030111242040201
635344501035523445
72224552514301023
oct241547606201365
943308286350012
1011112122221301
1135a4696335322
1212b572b2b9585
13627b3a4bc2ba
142a5b8854b713
151440b9c5826b
hexa1b3e1902f5

11112122221301 has 4 divisors (see below), whose sum is σ = 11370543668352. Its totient is φ = 10853700774252.

The previous prime is 11112122221267. The next prime is 11112122221307. The reversal of 11112122221301 is 10312222121111.

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.

It is a cyclic number.

It is not a de Polignac number, because 11112122221301 - 214 = 11112122204917 is a prime.

It is a super-2 number, since 2×111121222213012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112122221307) 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, 129210723461 + ... + 129210723546.

It is an arithmetic number, because the mean of its divisors is an integer number (2842635917088).

Almost surely, 211112122221301 is an apocalyptic number.

It is an amenable number.

11112122221301 is a deficient number, since it is larger than the sum of its proper divisors (258421447051).

11112122221301 is an equidigital number, since it uses as much as digits as its factorization.

11112122221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258421447050.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 11112122221301 its reverse (10312222121111), we get a palindrome (21424344342412).

The spelling of 11112122221301 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, three hundred one".

Divisors: 1 43 258421447007 11112122221301