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401222031021201 = 31359174368548901
BaseRepresentation
bin101101100111010001100100…
…0101000101001010010010001
31221121121110012012020001200110
41123032203020220221102101
5410042110204420134301
63541154505000511533
7150340222646135025
oct13316431050512221
91847543165201613
10401222031021201
11106929342747025
1238bbb62647b5a9
13142b50c9229480
14711136daaa385
15315ba8c0240d6
hex16ce8c8a29491

401222031021201 has 16 divisors (see below), whose sum is σ = 585878324310720. Its totient is φ = 242721020068800.

The previous prime is 401222031021061. The next prime is 401222031021247. The reversal of 401222031021201 is 102120130222104.

It is a happy number.

It is not a de Polignac number, because 401222031021201 - 217 = 401222030890129 is a prime.

It is a super-2 number, since 2×4012220310212012 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401222031020201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87184272150 + ... + 87184276751.

It is an arithmetic number, because the mean of its divisors is an integer number (36617395269420).

Almost surely, 2401222031021201 is an apocalyptic number.

It is an amenable number.

401222031021201 is a deficient number, since it is larger than the sum of its proper divisors (184656293289519).

401222031021201 is a wasteful number, since it uses less digits than its factorization.

401222031021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174368548976.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 401222031021201 its reverse (102120130222104), we get a palindrome (503342161243305).

The spelling of 401222031021201 in words is "four hundred one trillion, two hundred twenty-two billion, thirty-one million, twenty-one thousand, two hundred one".

Divisors: 1 3 13 39 59 177 767 2301 174368548901 523105646703 2266791135713 6800373407139 10287744385159 30863233155477 133740677007067 401222031021201