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2220020022121 = 111917361399453
BaseRepresentation
bin100000010011100011100…
…000010011101101101001
321212020021000100000220021
4200103203200103231221
5242333100111201441
64415510233400441
7316251110556346
oct40234340235551
97766230300807
102220020022121
11786561476a10
122ba308269121
1313146844b685
14796417897cd
153cb33d253d1
hex204e3813b69

2220020022121 has 16 divisors (see below), whose sum is σ = 2564041199040. Its totient is φ = 1900927033920.

The previous prime is 2220020022119. The next prime is 2220020022151. The reversal of 2220020022121 is 1212200200222.

It is a cyclic number.

It is not a de Polignac number, because 2220020022121 - 21 = 2220020022119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220020022095 and 2220020022104.

It is not an unprimeable number, because it can be changed into a prime (2220020022151) 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, 30663570 + ... + 30735883.

It is an arithmetic number, because the mean of its divisors is an integer number (160252574940).

Almost surely, 22220020022121 is an apocalyptic number.

It is an amenable number.

2220020022121 is a deficient number, since it is larger than the sum of its proper divisors (344021176919).

2220020022121 is a wasteful number, since it uses less digits than its factorization.

2220020022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61399656.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2220020022121 its reverse (1212200200222), we get a palindrome (3432220222343).

The spelling of 2220020022121 in words is "two trillion, two hundred twenty billion, twenty million, twenty-two thousand, one hundred twenty-one".

Divisors: 1 11 19 173 209 1903 3287 36157 61399453 675393983 1166589607 10622105369 12832485677 116843159059 201820002011 2220020022121