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1010111020111 = 61109587925841
BaseRepresentation
bin11101011001011110100…
…11101111110001001111
310120120021101002110120101
432230233103233301033
5113022201410120421
62052012200431531
7132656331001534
oct16545723576117
93516241073511
101010111020111
1135a427378a66
121439241785a7
1374339c8778b
1436c65228d8b
151b41e254191
hexeb2f4efc4f

1010111020111 has 16 divisors (see below), whose sum is σ = 1036305547200. Its totient is φ = 984231129600.

The previous prime is 1010111020099. The next prime is 1010111020159. The reversal of 1010111020111 is 1110201110101.

It is a cyclic number.

It is not a de Polignac number, because 1010111020111 - 213 = 1010111011919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010111020211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39076551 + ... + 39102391.

It is an arithmetic number, because the mean of its divisors is an integer number (64769096700).

Almost surely, 21010111020111 is an apocalyptic number.

1010111020111 is a deficient number, since it is larger than the sum of its proper divisors (26194527089).

1010111020111 is a wasteful number, since it uses less digits than its factorization.

1010111020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31890.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1010111020111 its reverse (1110201110101), we get a palindrome (2120312130212).

The spelling of 1010111020111 in words is "one trillion, ten billion, one hundred eleven million, twenty thousand, one hundred eleven".

Divisors: 1 61 109 5879 6649 25841 358619 640811 1576301 2816669 39089471 151919239 171816809 9267073579 16559197051 1010111020111