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11110121131 = 531391508093
BaseRepresentation
bin10100101100011011…
…01111111010101011
31001200021122122000211
422112031233322223
5140223142334011
65034240241551
7542214320464
oct122615577253
931607578024
1011110121131
11479141249a
1221a09102b7
1310809a2b95
14775777d6b
15450592b21
hex29636feab

11110121131 has 8 divisors (see below), whose sum is σ = 11401190640. Its totient is φ = 10822068192.

The previous prime is 11110121117. The next prime is 11110121137. The reversal of 11110121131 is 13112101111.

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 11110121131 - 227 = 10975903403 is a prime.

It is a super-2 number, since 2×111101211312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110121137) 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, 746680 + ... + 761413.

It is an arithmetic number, because the mean of its divisors is an integer number (1425148830).

Almost surely, 211110121131 is an apocalyptic number.

11110121131 is a deficient number, since it is larger than the sum of its proper divisors (291069509).

11110121131 is a wasteful number, since it uses less digits than its factorization.

11110121131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508285.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 11110121131 its reverse (13112101111), we get a palindrome (24222222242).

The spelling of 11110121131 in words is "eleven billion, one hundred ten million, one hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 53 139 7367 1508093 79928929 209624927 11110121131