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22112210230001 = 44938214920581
BaseRepresentation
bin1010000011100011001100…
…11011111001101011110001
32220021220110221122122120022
411001301212123321223301
510344241301304330001
6115010113101453225
74441361116524443
oct501614633715361
986256427578508
1022112210230001
1170558102354a1
1225915b2571215
13c45231c18ab8
14566345672493
152852c8ee911b
hex141c666f9af1

22112210230001 has 4 divisors (see below), whose sum is σ = 22112219644404. Its totient is φ = 22112200815600.

The previous prime is 22112210229979. The next prime is 22112210230039. The reversal of 22112210230001 is 10003201221122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12114750390625 + 9997459839376 = 3480625^2 + 3161876^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112210230001 - 26 = 22112210229937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112210230051) 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, 2033531 + ... + 6954111.

It is an arithmetic number, because the mean of its divisors is an integer number (5528054911101).

Almost surely, 222112210230001 is an apocalyptic number.

It is an amenable number.

22112210230001 is a deficient number, since it is larger than the sum of its proper divisors (9414403).

22112210230001 is an equidigital number, since it uses as much as digits as its factorization.

22112210230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9414402.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22112210230001 its reverse (10003201221122), we get a palindrome (32115411451123).

The spelling of 22112210230001 in words is "twenty-two trillion, one hundred twelve billion, two hundred ten million, two hundred thirty thousand, one".

Divisors: 1 4493821 4920581 22112210230001