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11100112213 = 97431139291
BaseRepresentation
bin10100101011001111…
…00100010101010101
31001122120211010101011
422111213210111111
5140213112042323
65033241532221
7542033253121
oct122547442525
931576733334
1011100112213
1147867a6663
1221994a4071
13107b8aa248
147742d0581
1544e76720d
hex2959e4555

11100112213 has 4 divisors (see below), whose sum is σ = 11101261248. Its totient is φ = 11098963180.

The previous prime is 11100112157. The next prime is 11100112249. The reversal of 11100112213 is 31221100111.

It is a happy number.

11100112213 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, 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 11100112213 - 213 = 11100104021 is a prime.

It is a super-2 number, since 2×111001122132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100112193 and 11100112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100112613) 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 3 ways as a sum of consecutive naturals, for example, 559903 + ... + 579388.

It is an arithmetic number, because the mean of its divisors is an integer number (2775315312).

Almost surely, 211100112213 is an apocalyptic number.

It is an amenable number.

11100112213 is a deficient number, since it is larger than the sum of its proper divisors (1149035).

11100112213 is an equidigital number, since it uses as much as digits as its factorization.

11100112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149034.

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

Adding to 11100112213 its reverse (31221100111), we get a palindrome (42321212324).

The spelling of 11100112213 in words is "eleven billion, one hundred million, one hundred twelve thousand, two hundred thirteen".

Divisors: 1 9743 1139291 11100112213