Search a number
-
+
20220211021369 is a prime number
BaseRepresentation
bin1001001100011111000100…
…11111101100011000111001
32122121000220021100110022011
410212033202133230120321
510122241443010140434
6111001011532325521
74154601451562302
oct446174237543071
978530807313264
1020220211021369
116496385a88787
12232698b9138a1
13b389b0923548
144dc9406757a9
15250e9285ae64
hex1263e27ec639

20220211021369 has 2 divisors, whose sum is σ = 20220211021370. Its totient is φ = 20220211021368.

The previous prime is 20220211021201. The next prime is 20220211021391. The reversal of 20220211021369 is 96312011202202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19464085123344 + 756125898025 = 4411812^2 + 869555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20220211021369 is a prime.

It is a super-2 number, since 2×202202110213692 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20220211021369.

It is not a weakly prime, because it can be changed into another prime (20220211621369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110105510684 + 10110105510685.

It is an arithmetic number, because the mean of its divisors is an integer number (10110105510685).

Almost surely, 220220211021369 is an apocalyptic number.

It is an amenable number.

20220211021369 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220211021369 is an equidigital number, since it uses as much as digits as its factorization.

20220211021369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 20220211021369 in words is "twenty trillion, two hundred twenty billion, two hundred eleven million, twenty-one thousand, three hundred sixty-nine".