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20220111020401 is a prime number
BaseRepresentation
bin1001001100011110111001…
…00010001110000101110001
32122121000122022011212202121
410212033130202032011301
510122241241410123101
6111000554001114241
74154566125564265
oct446173442160561
978530568155677
1020220111020401
116496334596556
122326962328981
13b38995cac486
144dc9312840a5
15250e88ba60a1
hex1263dc88e171

20220111020401 has 2 divisors, whose sum is σ = 20220111020402. Its totient is φ = 20220111020400.

The previous prime is 20220111020363. The next prime is 20220111020407. The reversal of 20220111020401 is 10402011102202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10519384089600 + 9700726930801 = 3243360^2 + 3114599^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220111020401 - 225 = 20220077465969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20220111020407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110055510200 + 10110055510201.

It is an arithmetic number, because the mean of its divisors is an integer number (10110055510201).

Almost surely, 220220111020401 is an apocalyptic number.

It is an amenable number.

20220111020401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220111020401 is an equidigital number, since it uses as much as digits as its factorization.

20220111020401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20220111020401 its reverse (10402011102202), we get a palindrome (30622122122603).

The spelling of 20220111020401 in words is "twenty trillion, two hundred twenty billion, one hundred eleven million, twenty thousand, four hundred one".