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22021202111120 = 245275265026389
BaseRepresentation
bin1010000000111001101011…
…11011011110101010010000
32212222012120102211012022122
411000130311323132222100
510341243410220023440
6114500222305553412
74431656626344002
oct500346573365220
985865512735278
1022021202111120
117020159555803
122577a34045868
13c3978a2a6094
14561b90912372
15282c4e3d57b5
hex140735edea90

22021202111120 has 20 divisors (see below), whose sum is σ = 51199294908540. Its totient is φ = 8808480844416.

The previous prime is 22021202111089. The next prime is 22021202111143. The reversal of 22021202111120 is 2111120212022.

It can be written as a sum of positive squares in 2 ways, for example, as 16888023126016 + 5133178985104 = 4109504^2 + 2265652^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137632513115 + ... + 137632513274.

It is an arithmetic number, because the mean of its divisors is an integer number (2559964745427).

Almost surely, 222021202111120 is an apocalyptic number.

22021202111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021202111120 is an abundant number, since it is smaller than the sum of its proper divisors (29178092797420).

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

22021202111120 is a wasteful number, since it uses less digits than its factorization.

22021202111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275265026402 (or 275265026396 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22021202111120 its reverse (2111120212022), we get a palindrome (24132322323142).

The spelling of 22021202111120 in words is "twenty-two trillion, twenty-one billion, two hundred two million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 275265026389 550530052778 1101060105556 1376325131945 2202120211112 2752650263890 4404240422224 5505300527780 11010601055560 22021202111120