Search a number
-
+
22202121012191 is a prime number
BaseRepresentation
bin1010000110001010101011…
…00010010100001111011111
32220121111112222122121212022
411003011111202110033133
510402224420434342231
6115115302533530355
74451023153543661
oct503052542241737
986544488577768
1022202121012191
11708a95955995a
1225a6b054a39bb
13c50860401173
1456a834788531
152877dc600c7b
hex1431558943df

22202121012191 has 2 divisors, whose sum is σ = 22202121012192. Its totient is φ = 22202121012190.

The previous prime is 22202121012163. The next prime is 22202121012223. The reversal of 22202121012191 is 19121012120222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22202121012191 - 210 = 22202121011167 is a prime.

It is a super-2 number, since 2×222021210121912 (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 22202121012191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202121012121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101060506095 + 11101060506096.

It is an arithmetic number, because the mean of its divisors is an integer number (11101060506096).

Almost surely, 222202121012191 is an apocalyptic number.

22202121012191 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202121012191 is an equidigital number, since it uses as much as digits as its factorization.

22202121012191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 22202121012191 in words is "twenty-two trillion, two hundred two billion, one hundred twenty-one million, twelve thousand, one hundred ninety-one".