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101010110221001 = 195316321590579
BaseRepresentation
bin10110111101111000111111…
…101111010000101011001001
3111020122110202020220101200102
4112331320333233100223021
5101214422201204033001
6554455223134215145
730163511460305252
oct2675707757205311
9436573666811612
10101010110221001
112a204168989813
12b3b45296544b5
13444929bbb0a77
141ad2cb5cadb29
15ba2788916e6b
hex5bde3fbd0ac9

101010110221001 has 4 divisors (see below), whose sum is σ = 106326431811600. Its totient is φ = 95693788630404.

The previous prime is 101010110220989. The next prime is 101010110221049. The reversal of 101010110221001 is 100122011010101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101010110221001 is a prime.

It is a super-2 number, since 2×1010101102210012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101010110821001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658160795271 + ... + 2658160795308.

It is an arithmetic number, because the mean of its divisors is an integer number (26581607952900).

Almost surely, 2101010110221001 is an apocalyptic number.

It is an amenable number.

101010110221001 is a deficient number, since it is larger than the sum of its proper divisors (5316321590599).

101010110221001 is an equidigital number, since it uses as much as digits as its factorization.

101010110221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316321590598.

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

Adding to 101010110221001 its reverse (100122011010101), we get a palindrome (201132121231102).

The spelling of 101010110221001 in words is "one hundred one trillion, ten billion, one hundred ten million, two hundred twenty-one thousand, one".

Divisors: 1 19 5316321590579 101010110221001