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2200100101021 = 19115794742159
BaseRepresentation
bin100000000001000000001…
…011110101101110011101
321210022211202111012020201
4200001000023311232131
5242021301111213041
64402413444343501
7314644350204544
oct40010013655635
97708752435221
102200100101021
1177906a1723a9
122b64890a4b91
1312c612531004
14786b1d8b15b
153c36a126631
hex200402f5b9d

2200100101021 has 4 divisors (see below), whose sum is σ = 2315894843200. Its totient is φ = 2084305358844.

The previous prime is 2200100101019. The next prime is 2200100101063. The reversal of 2200100101021 is 1201010010022.

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 2200100101021 - 21 = 2200100101019 is a prime.

It is a super-2 number, since 2×22001001010212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200100100989 and 2200100101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200100101091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57897371061 + ... + 57897371098.

It is an arithmetic number, because the mean of its divisors is an integer number (578973710800).

Almost surely, 22200100101021 is an apocalyptic number.

It is an amenable number.

2200100101021 is a deficient number, since it is larger than the sum of its proper divisors (115794742179).

2200100101021 is a wasteful number, since it uses less digits than its factorization.

2200100101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115794742178.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2200100101021 its reverse (1201010010022), we get a palindrome (3401110111043).

Subtracting from 2200100101021 its reverse (1201010010022), we obtain a palindrome (999090090999).

The spelling of 2200100101021 in words is "two trillion, two hundred billion, one hundred million, one hundred one thousand, twenty-one".

Divisors: 1 19 115794742159 2200100101021