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2012211100101 = 311315533822103
BaseRepresentation
bin11101010010000001001…
…000001011100111000101
321010100212110012000012210
4131102001020023213011
5230432002020200401
64140221431134033
7265243316100006
oct35220110134705
97110773160183
102012211100101
11706412787054
12285b91514319
1311799b36b6a7
146d56a53d1ad
153752004b4d6
hex1d48120b9c5

2012211100101 has 16 divisors (see below), whose sum is σ = 2708434624896. Its totient is φ = 1328746116096.

The previous prime is 2012211100099. The next prime is 2012211100117. The reversal of 2012211100101 is 1010011122102.

It is not a de Polignac number, because 2012211100101 - 21 = 2012211100099 is a prime.

It is a super-2 number, since 2×20122111001012 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012210100101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384585 + ... + 2437518.

It is an arithmetic number, because the mean of its divisors is an integer number (169277164056).

Almost surely, 22012211100101 is an apocalyptic number.

It is an amenable number.

2012211100101 is a deficient number, since it is larger than the sum of its proper divisors (696223524795).

2012211100101 is a wasteful number, since it uses less digits than its factorization.

2012211100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823772.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2012211100101 its reverse (1010011122102), we get a palindrome (3022222222203).

The spelling of 2012211100101 in words is "two trillion, twelve billion, two hundred eleven million, one hundred thousand, one hundred one".

Divisors: 1 3 113 339 1553 4659 175489 526467 3822103 11466309 431897639 1295692917 5935725959 17807177877 670737033367 2012211100101