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1012110020111 = 1033979777367
BaseRepresentation
bin11101011101001100111…
…01010100111000001111
310120202102200120012001102
432232212131110320033
5113040300131120421
62052542410133315
7133060013140061
oct16564635247017
93522380505042
101012110020111
113602627a2283
121441a172123b
1374598171908
1436db4903731
151b4d99ba60b
hexeba6754e0f

1012110020111 has 4 divisors (see below), whose sum is σ = 1013089798512. Its totient is φ = 1011130241712.

The previous prime is 1012110019981. The next prime is 1012110020237. The reversal of 1012110020111 is 1110200112101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1012110020111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012110020092 and 1012110020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012110040111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489887651 + ... + 489889716.

It is an arithmetic number, because the mean of its divisors is an integer number (253272449628).

Almost surely, 21012110020111 is an apocalyptic number.

1012110020111 is a deficient number, since it is larger than the sum of its proper divisors (979778401).

1012110020111 is an equidigital number, since it uses as much as digits as its factorization.

1012110020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979778400.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1012110020111 its reverse (1110200112101), we get a palindrome (2122310132212).

The spelling of 1012110020111 in words is "one trillion, twelve billion, one hundred ten million, twenty thousand, one hundred eleven".

Divisors: 1 1033 979777367 1012110020111