Search a number
-
+
1122210221101 is a prime number
BaseRepresentation
bin10000010101001000111…
…100010000110000101101
310222021121202111220100021
4100111020330100300231
5121341241304033401
62215311455402141
7144035262330514
oct20251074206055
93867552456307
101122210221101
113a2a21460922
121615a9b23351
1381a93352938
143c45b12b67b
151e2d07a72a1
hex10548f10c2d

1122210221101 has 2 divisors, whose sum is σ = 1122210221102. Its totient is φ = 1122210221100.

The previous prime is 1122210221021. The next prime is 1122210221107. The reversal of 1122210221101 is 1011220122211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 591499428100 + 530710793001 = 769090^2 + 728499^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122210221101 - 27 = 1122210220973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122210221107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561105110550 + 561105110551.

It is an arithmetic number, because the mean of its divisors is an integer number (561105110551).

Almost surely, 21122210221101 is an apocalyptic number.

It is an amenable number.

1122210221101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122210221101 is an equidigital number, since it uses as much as digits as its factorization.

1122210221101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1122210221101 its reverse (1011220122211), we get a palindrome (2133430343312).

The spelling of 1122210221101 in words is "one trillion, one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, one hundred one".