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2221110200101 = 13170854630777
BaseRepresentation
bin100000010100100100011…
…111000000011100100101
321212100001222200210221111
4200110210133000130211
5242342313202400401
64420210335545021
7316320116123662
oct40244437003445
97770058623844
102221110200101
11786a70892851
122ba57138b171
131315b02707c0
147970648ca69
153cb998bae51
hex205247c0725

2221110200101 has 4 divisors (see below), whose sum is σ = 2391964830892. Its totient is φ = 2050255569312.

The previous prime is 2221110200063. The next prime is 2221110200117. The reversal of 2221110200101 is 1010020111222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 224343375201 + 1996766824900 = 473649^2 + 1413070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221110200101 - 241 = 22086944549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 170854630777 = 2221110200101 / (2 + 2 + 2 + 1 + 1 + 1 + 0 + 2 + 0 + 0 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221110200161) 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, 85427315376 + ... + 85427315401.

It is an arithmetic number, because the mean of its divisors is an integer number (597991207723).

Almost surely, 22221110200101 is an apocalyptic number.

It is an amenable number.

2221110200101 is a deficient number, since it is larger than the sum of its proper divisors (170854630791).

2221110200101 is a wasteful number, since it uses less digits than its factorization.

2221110200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170854630790.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2221110200101 its reverse (1010020111222), we get a palindrome (3231130311323).

The spelling of 2221110200101 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, two hundred thousand, one hundred one".

Divisors: 1 13 170854630777 2221110200101