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20112022110001 = 179112357665419
BaseRepresentation
bin1001001001010101100011…
…11011101111111100110001
32122012200122101211022110211
410210222301323233330301
510114003410130010001
6110435200240424121
74144021441161523
oct444526173577461
978180571738424
1020112022110001
116454508186338
122309a17618041
13b2b72b6c9923
144d75d9c13a13
1524d25e75c351
hex124ab1eeff31

20112022110001 has 4 divisors (see below), whose sum is σ = 20224379775600. Its totient is φ = 19999664444404.

The previous prime is 20112022109983. The next prime is 20112022110077. The reversal of 20112022110001 is 10001122021102.

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 20112022110001 - 29 = 20112022109489 is a prime.

It is a super-2 number, since 2×201120221100012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112022117001) 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, 56178832531 + ... + 56178832888.

It is an arithmetic number, because the mean of its divisors is an integer number (5056094943900).

Almost surely, 220112022110001 is an apocalyptic number.

It is an amenable number.

20112022110001 is a deficient number, since it is larger than the sum of its proper divisors (112357665599).

20112022110001 is a wasteful number, since it uses less digits than its factorization.

20112022110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112357665598.

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

Adding to 20112022110001 its reverse (10001122021102), we get a palindrome (30113144131103).

The spelling of 20112022110001 in words is "twenty trillion, one hundred twelve billion, twenty-two million, one hundred ten thousand, one".

Divisors: 1 179 112357665419 20112022110001