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1010020001111 = 11177811516391
BaseRepresentation
bin11101011001010011110…
…00100010010101010111
310120120001000211012222022
432230221320202111113
5113022010110013421
62051555145523355
7132654144233162
oct16545170422527
93516030735868
101010020001111
1135a38aa61050
121438b97a355b
1374324169a94
1436c570d4ad9
151b4162757ab
hexeb29e22557

1010020001111 has 8 divisors (see below), whose sum is σ = 1101848331648. Its totient is φ = 918193059000.

The previous prime is 1010020001069. The next prime is 1010020001161. The reversal of 1010020001111 is 1111000200101.

It is a happy number.

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 1010020001111 - 230 = 1008946259287 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 (1010020001161) 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, 1697726 + ... + 2214116.

It is an arithmetic number, because the mean of its divisors is an integer number (137731041456).

Almost surely, 21010020001111 is an apocalyptic number.

1010020001111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1010020001111 is a deficient number, since it is larger than the sum of its proper divisors (91828330537).

1010020001111 is a wasteful number, since it uses less digits than its factorization.

1010020001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694213.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1010020001111 its reverse (1111000200101), we get a palindrome (2121020201212).

The spelling of 1010020001111 in words is "one trillion, ten billion, twenty million, one thousand, one hundred eleven".

Divisors: 1 11 177811 516391 1955921 5680301 91820000101 1010020001111