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201100212020111 = 19299710934519357
BaseRepresentation
bin101101101110011001001010…
…101100111010001110001111
3222101000222210112122120012212
4231232121022230322032033
5202324311213234120421
61551412054555221035
760234003503221505
oct5556311254721617
9871028715576185
10201100212020111
1159093137017178
121a67a69a14777b
13882988cc6c631
14379343331c675
15183b128470e5b
hexb6e64ab3a38f

201100212020111 has 32 divisors (see below), whose sum is σ = 223271207544000. Its totient is φ = 180379928236032.

The previous prime is 201100212020107. The next prime is 201100212020161. The reversal of 201100212020111 is 111020212001102.

It is a cyclic number.

It is not a de Polignac number, because 201100212020111 - 22 = 201100212020107 is a prime.

It is a super-3 number, since 3×2011002120201113 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100212020161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11433956 + ... + 23085401.

It is an arithmetic number, because the mean of its divisors is an integer number (6977225235750).

Almost surely, 2201100212020111 is an apocalyptic number.

201100212020111 is a deficient number, since it is larger than the sum of its proper divisors (22170995523889).

201100212020111 is a wasteful number, since it uses less digits than its factorization.

201100212020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34519611.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201100212020111 its reverse (111020212001102), we get a palindrome (312120424021213).

The spelling of 201100212020111 in words is "two hundred one trillion, one hundred billion, two hundred twelve million, twenty thousand, one hundred eleven".

Divisors: 1 19 29 97 109 551 1843 2071 2813 3161 10573 53447 60059 200887 306617 5825723 34519357 655867783 1001061353 3348377629 3762609913 19020165707 63619174951 71489588347 97102951241 109115687477 364973161561 1844956073579 2073198062063 6934490069659 10584221685269 201100212020111