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10020222111001 = 11537778684713
BaseRepresentation
bin1001000111010000001111…
…0001111000110100011001
31022110220221111200221002111
42101310003301320310121
52303132403330023001
633151120531032321
72052636305426164
oct221640361706431
938426844627074
1010020222111001
113213609178353
121159ba013b6a1
13578b9785c68b
14268da4b10adb
151259b0434851
hex91d03c78d19

10020222111001 has 4 divisors (see below), whose sum is σ = 10020231949492. Its totient is φ = 10020212272512.

The previous prime is 10020222110993. The next prime is 10020222111017. The reversal of 10020222111001 is 10011122202001.

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 721351256976 + 9298870854025 = 849324^2 + 3049405^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020222111001 - 23 = 10020222110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020222111061) 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, 3188580 + ... + 5496133.

It is an arithmetic number, because the mean of its divisors is an integer number (2505057987373).

Almost surely, 210020222111001 is an apocalyptic number.

It is an amenable number.

10020222111001 is a deficient number, since it is larger than the sum of its proper divisors (9838491).

10020222111001 is an equidigital number, since it uses as much as digits as its factorization.

10020222111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9838490.

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

Adding to 10020222111001 its reverse (10011122202001), we get a palindrome (20031344313002).

The spelling of 10020222111001 in words is "ten trillion, twenty billion, two hundred twenty-two million, one hundred eleven thousand, one".

Divisors: 1 1153777 8684713 10020222111001