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112111222202101 is a prime number
BaseRepresentation
bin11001011111011011101101…
…100100110001111011110101
3112200221201122211120220112201
4121133123231210301323311
5104143312240340431401
61034235103502344501
732420524412243533
oct3137335544617365
9480851584526481
10112111222202101
11327a4114221671
12106a7aa558b131
134a730732cb725
141d982d8043153
15ce640bc5bb01
hex65f6ed931ef5

112111222202101 has 2 divisors, whose sum is σ = 112111222202102. Its totient is φ = 112111222202100.

The previous prime is 112111222202053. The next prime is 112111222202137. The reversal of 112111222202101 is 101202222111211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62637569072100 + 49473653130001 = 7914390^2 + 7033751^2 .

It is a cyclic number.

It is not a de Polignac number, because 112111222202101 - 27 = 112111222201973 is a prime.

It is a super-2 number, since 2×1121112222021012 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112111222202401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56055611101050 + 56055611101051.

It is an arithmetic number, because the mean of its divisors is an integer number (56055611101051).

Almost surely, 2112111222202101 is an apocalyptic number.

It is an amenable number.

112111222202101 is a deficient number, since it is larger than the sum of its proper divisors (1).

112111222202101 is an equidigital number, since it uses as much as digits as its factorization.

112111222202101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112111222202101 its reverse (101202222111211), we get a palindrome (213313444313312).

The spelling of 112111222202101 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred twenty-two million, two hundred two thousand, one hundred one".