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1010111010111 = 3376779768697
BaseRepresentation
bin11101011001011110100…
…11101101010100111111
310120120021101001221212000
432230233103231110333
5113022201404310421
62052012200313343
7132656330630430
oct16545723552477
93516241057760
101010111010111
1135a4273714a5
12143924172853
1374339c83068
1436c65225487
151b41e251226
hexeb2f4ed53f

1010111010111 has 32 divisors (see below), whose sum is σ = 1735766868480. Its totient is φ = 568591265088.

The previous prime is 1010111010109. The next prime is 1010111010131. The reversal of 1010111010111 is 1110101110101.

It is not a de Polignac number, because 1010111010111 - 21 = 1010111010109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1010111010093 and 1010111010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010111010101) 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, 39871686 + ... + 39897011.

It is an arithmetic number, because the mean of its divisors is an integer number (54242714640).

Almost surely, 21010111010111 is an apocalyptic number.

1010111010111 is a deficient number, since it is larger than the sum of its proper divisors (725655858369).

1010111010111 is an equidigital number, since it uses as much as digits as its factorization.

1010111010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79768780 (or 79768774 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 1010111010111 its reverse (1110101110101), we get a palindrome (2120212120212).

It can be divided in two parts, 10101110101 and 11, that multiplied together give a palindrome (111112211111).

The spelling of 1010111010111 in words is "one trillion, ten billion, one hundred eleven million, ten thousand, one hundred eleven".

Divisors: 1 3 7 9 21 27 63 67 189 201 469 603 1407 1809 4221 12663 79768697 239306091 558380879 717918273 1675142637 2153754819 5025427911 5344502699 15076283733 16033508097 37411518893 48100524291 112234556679 144301572873 336703670037 1010111010111