Search a number
-
+
20222211102187 is a prime number
BaseRepresentation
bin1001001100100010110011…
…01101011001010111101011
32122121020001122212002101111
410212101121231121113223
510122310042020232222
6111001542221131151
74155002146151563
oct446213155312753
978536048762344
1020222211102187
116497211a80036
1223272496b9ab7
13b38c3c0c8613
144dca90151da3
1525105d237777
hex126459b595eb

20222211102187 has 2 divisors, whose sum is σ = 20222211102188. Its totient is φ = 20222211102186.

The previous prime is 20222211102139. The next prime is 20222211102221. The reversal of 20222211102187 is 78120111222202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20222211102187 - 235 = 20187851363819 is a prime.

It is a super-2 number, since 2×202222111021872 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20222211102287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111105551093 + 10111105551094.

It is an arithmetic number, because the mean of its divisors is an integer number (10111105551094).

Almost surely, 220222211102187 is an apocalyptic number.

20222211102187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222211102187 is an equidigital number, since it uses as much as digits as its factorization.

20222211102187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 31.

Adding to 20222211102187 its reverse (78120111222202), we get a palindrome (98342322324389).

The spelling of 20222211102187 in words is "twenty trillion, two hundred twenty-two billion, two hundred eleven million, one hundred two thousand, one hundred eighty-seven".