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2202121012061 is a prime number
BaseRepresentation
bin100000000010111000101…
…001000000001101011101
321210112001121012010000202
4200002320221000031131
5242034420434341221
64403350155433245
7315045416521505
oct40027051001535
97715047163022
102202121012061
11779a069a1813
122b6951a55825
1312c87511a369
147882452aa05
153c437769d0b
hex200b8a4035d

2202121012061 has 2 divisors, whose sum is σ = 2202121012062. Its totient is φ = 2202121012060.

The previous prime is 2202121012009. The next prime is 2202121012073. The reversal of 2202121012061 is 1602101212022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1522741192036 + 679379820025 = 1233994^2 + 824245^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202121012061 - 214 = 2202120995677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202121012661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101060506030 + 1101060506031.

It is an arithmetic number, because the mean of its divisors is an integer number (1101060506031).

Almost surely, 22202121012061 is an apocalyptic number.

It is an amenable number.

2202121012061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202121012061 is an equidigital number, since it uses as much as digits as its factorization.

2202121012061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2202121012061 its reverse (1602101212022), we get a palindrome (3804222224083).

The spelling of 2202121012061 in words is "two trillion, two hundred two billion, one hundred twenty-one million, twelve thousand, sixty-one".