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11221124430131 = 711145728888703
BaseRepresentation
bin1010001101001001111100…
…1000101011100100110011
31110201201200110021121012222
42203102133020223210303
52432321330323231011
635510525143311255
72235461631630230
oct243223710534463
943651613247188
1011221124430131
113636941230130
12131288ba4b52b
136351bc073515
142ab168dda787
15146d49458ddb
hexa349f22b933

11221124430131 has 8 divisors (see below), whose sum is σ = 13989973315584. Its totient is φ = 8743733322120.

The previous prime is 11221124430107. The next prime is 11221124430143. The reversal of 11221124430131 is 13103442112211.

It is a happy number.

11221124430131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11221124430131 - 238 = 10946246523187 is a prime.

It is a super-2 number, since 2×112211244301312 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11221124430131.

It is not an unprimeable number, because it can be changed into a prime (11221124430431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72864444275 + ... + 72864444428.

It is an arithmetic number, because the mean of its divisors is an integer number (1748746664448).

Almost surely, 211221124430131 is an apocalyptic number.

11221124430131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11221124430131 is a deficient number, since it is larger than the sum of its proper divisors (2768848885453).

11221124430131 is a wasteful number, since it uses less digits than its factorization.

11221124430131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145728888721.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 11221124430131 its reverse (13103442112211), we get a palindrome (24324566542342).

The spelling of 11221124430131 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty-four million, four hundred thirty thousand, one hundred thirty-one".

Divisors: 1 7 11 77 145728888703 1020102220921 1603017775733 11221124430131