Search a number
-
+
2122100112101 is a prime number
BaseRepresentation
bin11110111000010111000…
…001011111101011100101
321111212111210202012200012
4132320113001133223211
5234232030112041401
64302513534100005
7306213422222204
oct36702701375345
97455453665605
102122100112101
11748a83210242
122a333b04a605
13125161878608
14749d2ab123b
153a30251d8bb
hex1ee1705fae5

2122100112101 has 2 divisors, whose sum is σ = 2122100112102. Its totient is φ = 2122100112100.

The previous prime is 2122100112089. The next prime is 2122100112109. The reversal of 2122100112101 is 1012110012212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1402400692900 + 719699419201 = 1184230^2 + 848351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2122100112101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122100112109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061050056050 + 1061050056051.

It is an arithmetic number, because the mean of its divisors is an integer number (1061050056051).

Almost surely, 22122100112101 is an apocalyptic number.

It is an amenable number.

2122100112101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122100112101 is an equidigital number, since it uses as much as digits as its factorization.

2122100112101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2122100112101 its reverse (1012110012212), we get a palindrome (3134210124313).

The spelling of 2122100112101 in words is "two trillion, one hundred twenty-two billion, one hundred million, one hundred twelve thousand, one hundred one".