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BaseRepresentation
bin11101000110110110100…
…00101111000100110101
310112121110110022022201021
432203123100233010311
5112341211404310401
62043240013501141
7132153453215440
oct16433320570465
93477413268637
101000111010101
11356165657485
121419b31a17b1
13734052958a8
14365970a2657
151b0363932a1
hexe8db42f135

1000111010101 has 8 divisors (see below), whose sum is σ = 1143109811264. Its totient is φ = 857143658880.

The previous prime is 1000111010051. The next prime is 1000111010117. The reversal of 1000111010101 is 1010101110001.

Adding to 1000111010101 its reverse (1010101110001), we get a palindrome (2010212120102).

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 1000111010101 - 211 = 1000111008053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000111010401) 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, 7794300 + ... + 7921573.

It is an arithmetic number, because the mean of its divisors is an integer number (142888726408).

Almost surely, 21000111010101 is an apocalyptic number.

It is an amenable number.

1000111010101 is a deficient number, since it is larger than the sum of its proper divisors (142998801163).

1000111010101 is an equidigital number, since it uses as much as digits as its factorization.

1000111010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15724971.

The product of its (nonzero) digits is 1, while the sum is 7.

The spelling of 1000111010101 in words is "one trillion, one hundred eleven million, ten thousand, one hundred one".