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11012211001 = 111178984919
BaseRepresentation
bin10100100000110000…
…10000000100111001
31001102110102021120201
422100120100010321
5140023111223001
65020421522201
7536615151301
oct122030200471
931373367521
1011012211001
114741119130
122173b73361
1310666116ac
1476676c601
15446ba2501
hex290610139

11012211001 has 8 divisors (see below), whose sum is σ = 12014481600. Its totient is φ = 10010133840.

The previous prime is 11012210987. The next prime is 11012211043. The reversal of 11012211001 is 10011221011.

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 11012211001 - 229 = 10475340089 is a prime.

It is a super-2 number, since 2×110122110012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11012211701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87220 + ... + 172138.

It is an arithmetic number, because the mean of its divisors is an integer number (1501810200).

Almost surely, 211012211001 is an apocalyptic number.

11012211001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11012211001 is a deficient number, since it is larger than the sum of its proper divisors (1002270599).

11012211001 is a wasteful number, since it uses less digits than its factorization.

11012211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96719.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11012211001 its reverse (10011221011), we get a palindrome (21023432012).

The spelling of 11012211001 in words is "eleven billion, twelve million, two hundred eleven thousand, one".

Divisors: 1 11 11789 84919 129679 934109 1001110091 11012211001