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2011012222201 = 101102119501481
BaseRepresentation
bin11101010000111001101…
…010110100110011111001
321010020202220021200220121
4131100321222310303321
5230422023112102301
64135502443053241
7265201520564113
oct35207152646371
97106686250817
102011012222201
11705957a77374
122858b7b11221
13117839b7ab98
146d4952223b3
153749eb833a1
hex1d439ab4cf9

2011012222201 has 8 divisors (see below), whose sum is σ = 2032912489608. Its totient is φ = 1989150960000.

The previous prime is 2011012222199. The next prime is 2011012222213. The reversal of 2011012222201 is 1022222101102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 275258671801 + 1735753550400 = 524651^2 + 1317480^2 .

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 2011012222201 - 21 = 2011012222199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011012222301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9647620 + ... + 9853861.

It is an arithmetic number, because the mean of its divisors is an integer number (254114061201).

Almost surely, 22011012222201 is an apocalyptic number.

It is an amenable number.

2011012222201 is a deficient number, since it is larger than the sum of its proper divisors (21900267407).

2011012222201 is a wasteful number, since it uses less digits than its factorization.

2011012222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19502603.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2011012222201 its reverse (1022222101102), we get a palindrome (3033234323303).

The spelling of 2011012222201 in words is "two trillion, eleven billion, twelve million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 101 1021 103121 19501481 1969649581 19911012101 2011012222201