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2211223202011 is a prime number
BaseRepresentation
bin100000001011010111001…
…011000110100011011011
321211101112221120021022001
4200023113023012203123
5242212041114431021
64411453311141431
7315520113045445
oct40132713064333
97741487507261
102211223202011
1178285793a84a
122b8672214877
13130695ac9b85
1479049343495
153c7bb8d0091
hex202d72c68db

2211223202011 has 2 divisors, whose sum is σ = 2211223202012. Its totient is φ = 2211223202010.

The previous prime is 2211223202009. The next prime is 2211223202017. The reversal of 2211223202011 is 1102023221122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211223202011 - 21 = 2211223202009 is a prime.

It is a super-2 number, since 2×22112232020112 (a number of 25 digits) contains 22 as substring.

Together with 2211223202009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2211223202011.

It is not a weakly prime, because it can be changed into another prime (2211223202017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105611601005 + 1105611601006.

It is an arithmetic number, because the mean of its divisors is an integer number (1105611601006).

Almost surely, 22211223202011 is an apocalyptic number.

2211223202011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211223202011 is an equidigital number, since it uses as much as digits as its factorization.

2211223202011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2211223202011 its reverse (1102023221122), we get a palindrome (3313246423133).

The spelling of 2211223202011 in words is "two trillion, two hundred eleven billion, two hundred twenty-three million, two hundred two thousand, eleven".