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11021110101001 = 7111371283547957
BaseRepresentation
bin1010000001100000110101…
…0110100100010000001001
31110000121102010000220212001
42200120031112210100021
52421032213141213001
635235010022151001
72215151245113310
oct240301526442011
943017363026761
1011021110101001
11356a032372280
12129bb6b582461
1361c394aa8190
142a15d3069277
15141a3eb04001
hexa060d5a4409

11021110101001 has 64 divisors (see below), whose sum is σ = 15059043127296. Its totient is φ = 7787989036800.

The previous prime is 11021110100983. The next prime is 11021110101007. The reversal of 11021110101001 is 10010101112011.

It is not a de Polignac number, because 11021110101001 - 211 = 11021110098953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021110101007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19839115 + ... + 20387071.

It is an arithmetic number, because the mean of its divisors is an integer number (235297548864).

Almost surely, 211021110101001 is an apocalyptic number.

11021110101001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11021110101001 is a deficient number, since it is larger than the sum of its proper divisors (4037933026295).

11021110101001 is a wasteful number, since it uses less digits than its factorization.

11021110101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548342.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11021110101001 its reverse (10010101112011), we get a palindrome (21031211213012).

It can be divided in two parts, 1102111010 and 1001, that added together give a palindrome (1102112011).

The spelling of 11021110101001 in words is "eleven trillion, twenty-one billion, one hundred ten million, one hundred one thousand, one".

Divisors: 1 7 11 13 71 77 91 143 283 497 781 923 1001 1981 3113 3679 5467 6461 10153 20093 21791 25753 40469 71071 140651 221023 261209 283283 547957 1547161 1828463 2873299 3835699 6027527 7123441 20113093 38904947 42192689 49864087 78357851 155071831 272334629 427954417 505764311 548504957 1085502817 1705790141 2015933803 2995680919 3540350177 5563407421 11010100001 11940530987 14111536621 22175271833 38943851947 77070700007 121111100011 143131300013 155226902831 847777700077 1001919100091 1574444300143 11021110101001