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111132121212131 = 2647345371215629
BaseRepresentation
bin11001010001001011110110…
…100110111010010011100011
3112120111010102121100012020012
4121101023312212322103203
5104031242041012242011
61032205220334235135
732260013364165065
oct3121136646722343
9476433377305205
10111132121212131
1132456960241298
121056a196655aab
134a01938a48716
141d62b75461735
15ccac05144a8b
hex6512f69ba4e3

111132121212131 has 8 divisors (see below), whose sum is σ = 111177415833120. Its totient is φ = 111086829096768.

The previous prime is 111132121212043. The next prime is 111132121212169. The reversal of 111132121212131 is 131212121231111.

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 111132121212131 - 218 = 111132120949987 is a prime.

It is a super-2 number, since 2×1111321212121312 (a number of 29 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 = 111132121212097 and 111132121212106.

It is not an unprimeable number, because it can be changed into a prime (111132121262131) 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, 90811625 + ... + 92027253.

It is an arithmetic number, because the mean of its divisors is an integer number (13897176979140).

Almost surely, 2111132121212131 is an apocalyptic number.

111132121212131 is a deficient number, since it is larger than the sum of its proper divisors (45294620989).

111132121212131 is a wasteful number, since it uses less digits than its factorization.

111132121212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252813.

The product of its digits is 144, while the sum is 23.

Adding to 111132121212131 its reverse (131212121231111), we get a palindrome (242344242443242).

The spelling of 111132121212131 in words is "one hundred eleven trillion, one hundred thirty-two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred thirty-one".

Divisors: 1 2647 34537 1215629 91419439 3217769963 41984178773 111132121212131