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22111201122230 = 2511317754383621
BaseRepresentation
bin1010000011100001010100…
…10010011101011110110110
32220021210212121211122221102
411001300222102131132312
510344232214441402410
6115005425013050102
74441324114331333
oct501605222353666
986253777748842
1022111201122230
117055342660930
122591370626932
13c45100b401cc
1456628b63398a
1528526a6192a5
hex141c2a49d7b6

22111201122230 has 64 divisors (see below), whose sum is σ = 44820064751616. Its totient is φ = 7780874448000.

The previous prime is 22111201122223. The next prime is 22111201122233. The reversal of 22111201122230 is 3222110211122.

It is a super-2 number, since 2×221112011222302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111201122233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264379820 + ... + 264463440.

It is an arithmetic number, because the mean of its divisors is an integer number (700313511744).

Almost surely, 222111201122230 is an apocalyptic number.

22111201122230 is an abundant number, since it is smaller than the sum of its proper divisors (22708863629386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111201122230 is a wasteful number, since it uses less digits than its factorization.

22111201122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161213.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 22111201122230 its reverse (3222110211122), we get a palindrome (25333311333352).

The spelling of 22111201122230 in words is "twenty-two trillion, one hundred eleven billion, two hundred one million, one hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1705 3410 77543 83621 155086 167242 387715 418105 775430 836210 852973 919831 1705946 1839662 2403833 2592251 4264865 4599155 4807666 5184502 8529730 9198310 12019165 12961255 24038330 25922510 26442163 28514761 52884326 57029522 132210815 142573805 264421630 285147610 6484223203 12968446406 32421116015 64842232030 71326455233 142652910466 201010919293 356632276165 402021838586 713264552330 1005054596465 2010109192930 2211120112223 4422240224446 11055600561115 22111201122230