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2100201022201 = 3167748420071
BaseRepresentation
bin11110100011111101101…
…111000110001011111001
321102202222121202011211111
4132203331233012023321
5233402202430202301
64244452524400321
7304506640066102
oct36437557061371
97382877664744
102100201022201
1173a7657a7937
1229b0490a60a1
131230818c8459
14739164bb3a9
153996ebc4551
hex1e8fdbc62f9

2100201022201 has 4 divisors (see below), whose sum is σ = 2167949442304. Its totient is φ = 2032452602100.

The previous prime is 2100201022151. The next prime is 2100201022223. The reversal of 2100201022201 is 1022201020012.

It is a happy number.

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 not a de Polignac number, because 2100201022201 - 233 = 2091611087609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100201026201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33874210005 + ... + 33874210066.

It is an arithmetic number, because the mean of its divisors is an integer number (541987360576).

Almost surely, 22100201022201 is an apocalyptic number.

It is an amenable number.

2100201022201 is a deficient number, since it is larger than the sum of its proper divisors (67748420103).

2100201022201 is an equidigital number, since it uses as much as digits as its factorization.

2100201022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67748420102.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100201022201 its reverse (1022201020012), we get a palindrome (3122402042213).

The spelling of 2100201022201 in words is "two trillion, one hundred billion, two hundred one million, twenty-two thousand, two hundred one".

Divisors: 1 31 67748420071 2100201022201