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BaseRepresentation
bin11101000110101010100…
…11010001000000110101
310112121012111010210111120
432203111103101000311
5112341010304310401
62043222042254153
7132151130223315
oct16432523210065
93477174123446
101000011010101
11356114165a54
121419857b7359
13733ba6520ac
1436587ab1445
151b02c6dd836
hexe8d54d1035

1000011010101 has 16 divisors (see below), whose sum is σ = 1335678908928. Its totient is φ = 665509244400.

The previous prime is 1000011010069. The next prime is 1000011010147. The reversal of 1000011010101 is 1010101100001.

Adding to 1000011010101 its reverse (1010101100001), we get a palindrome (2010112110102).

It can be divided in two parts, 100001 and 1010101, that multiplied together give a palindrome (101011110101).

It is not a de Polignac number, because 1000011010101 - 25 = 1000011010069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000011010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000011110101) 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, 5872366 + ... + 6040256.

It is an arithmetic number, because the mean of its divisors is an integer number (83479931808).

Almost surely, 21000011010101 is an apocalyptic number.

It is an amenable number.

1000011010101 is a deficient number, since it is larger than the sum of its proper divisors (335667898827).

1000011010101 is a wasteful number, since it uses less digits than its factorization.

1000011010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171352.

The product of its (nonzero) digits is 1, while the sum is 6.

The spelling of 1000011010101 in words is "one trillion, eleven million, ten thousand, one hundred one".