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22201111120211 = 122318152993557
BaseRepresentation
bin1010000110001000110010…
…10101111000100101010011
32220121101221121100210111122
411003010121111320211103
510402220333421321321
6115115014420232455
74450656141603332
oct503043125704523
986541847323448
1022201111120211
11708a49049a091
1225a688323b72b
13c5072c10c64a
1456a77a5c3d19
1528777db188ab
hex143119578953

22201111120211 has 4 divisors (see below), whose sum is σ = 22219264114992. Its totient is φ = 22182958125432.

The previous prime is 22201111120183. The next prime is 22201111120229. The reversal of 22201111120211 is 11202111110222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22201111120211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22201111120211.

It is not an unprimeable number, because it can be changed into a prime (22201111120231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9076495556 + ... + 9076498001.

It is an arithmetic number, because the mean of its divisors is an integer number (5554816028748).

Almost surely, 222201111120211 is an apocalyptic number.

22201111120211 is a deficient number, since it is larger than the sum of its proper divisors (18152994781).

22201111120211 is a wasteful number, since it uses less digits than its factorization.

22201111120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18152994780.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22201111120211 its reverse (11202111110222), we get a palindrome (33403222230433).

The spelling of 22201111120211 in words is "twenty-two trillion, two hundred one billion, one hundred eleven million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 1223 18152993557 22201111120211