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220022012211101 is a prime number
BaseRepresentation
bin110010000001101111011101…
…111000010110111110011101
31001212000220021022221202011222
4302001233131320112332131
5212314320040111223401
62055540414513423125
764226031400134122
oct6201573570267635
91055026238852158
10220022012211101
11641188a1a27391
12208158a686aaa5
13959cca9aab9a9
143c4919d4c0749
151a68426666c1b
hexc81bdde16f9d

220022012211101 has 2 divisors, whose sum is σ = 220022012211102. Its totient is φ = 220022012211100.

The previous prime is 220022012210989. The next prime is 220022012211119. The reversal of 220022012211101 is 101112210220022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116473091752900 + 103548920458201 = 10792270^2 + 10175899^2 .

It is a cyclic number.

It is not a de Polignac number, because 220022012211101 - 238 = 219747134304157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220022012211101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220022012211181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110011006105550 + 110011006105551.

It is an arithmetic number, because the mean of its divisors is an integer number (110011006105551).

Almost surely, 2220022012211101 is an apocalyptic number.

It is an amenable number.

220022012211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220022012211101 is an equidigital number, since it uses as much as digits as its factorization.

220022012211101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220022012211101 its reverse (101112210220022), we get a palindrome (321134222431123).

The spelling of 220022012211101 in words is "two hundred twenty trillion, twenty-two billion, twelve million, two hundred eleven thousand, one hundred one".