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120011102311231 = 17109541304139367
BaseRepresentation
bin11011010010011001000011…
…000111110101001100111111
3120201220221122001201212210201
4123102121003013311030333
5111212230214142424411
61103124201141544331
734164341664236365
oct3322310307651477
9521827561655721
10120011102311231
113526a471631a3a
1211562b574150a7
1351c6cc95c6ac1
14218c7d5773635
15dd1b6e1a43c1
hex6d26431f533f

120011102311231 has 32 divisors (see below), whose sum is σ = 128518911480960. Its totient is φ = 111668933836800.

The previous prime is 120011102311223. The next prime is 120011102311249. The reversal of 120011102311231 is 132113201110021.

It is a cyclic number.

It is not a de Polignac number, because 120011102311231 - 23 = 120011102311223 is a prime.

It is a super-2 number, since 2×1200111023112312 (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 = 120011102311199 and 120011102311208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011102314231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3048500710 + ... + 3048540076.

It is an arithmetic number, because the mean of its divisors is an integer number (4016215983780).

Almost surely, 2120011102311231 is an apocalyptic number.

120011102311231 is a deficient number, since it is larger than the sum of its proper divisors (8507809169729).

120011102311231 is a wasteful number, since it uses less digits than its factorization.

120011102311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43075.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 120011102311231 its reverse (132113201110021), we get a palindrome (252124303421252).

The spelling of 120011102311231 in words is "one hundred twenty trillion, eleven billion, one hundred two million, three hundred eleven thousand, two hundred thirty-one".

Divisors: 1 17 109 541 1853 3041 9197 39367 51697 58969 331469 669239 1002473 1645181 4291003 5634973 21297547 27968077 72947051 119715047 179324729 362058299 2035155799 2321432623 3048520393 13048940123 39464354591 64765840427 221831982091 1101019287259 7059476606543 120011102311231