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12211103231113 = 119923101824531
BaseRepresentation
bin1011000110110001111001…
…1110000110110010001001
31121020100222210001100222211
42301230132132012302021
53100031314411343423
641545411532545121
72400136343612503
oct261543636066211
947210883040884
1012211103231113
113988777481966
1214527159221a1
136a766b13b7a7
14303040562d73
1516298b02610d
hexb1b1e786c89

12211103231113 has 4 divisors (see below), whose sum is σ = 12211205175568. Its totient is φ = 12211001286660.

The previous prime is 12211103231083. The next prime is 12211103231137. The reversal of 12211103231113 is 31113230111221.

12211103231113 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 12211103231113 - 233 = 12202513296521 is a prime.

It is a super-2 number, since 2×122111032311132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211103271113) 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, 50792343 + ... + 51032188.

It is an arithmetic number, because the mean of its divisors is an integer number (3052801293892).

Almost surely, 212211103231113 is an apocalyptic number.

It is an amenable number.

12211103231113 is a deficient number, since it is larger than the sum of its proper divisors (101944455).

12211103231113 is a wasteful number, since it uses less digits than its factorization.

12211103231113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101944454.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 12211103231113 its reverse (31113230111221), we get a palindrome (43324333342334).

The spelling of 12211103231113 in words is "twelve trillion, two hundred eleven billion, one hundred three million, two hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 119923 101824531 12211103231113