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211222022222201 = 31173109933582739
BaseRepresentation
bin110000000001101011110101…
…100110100111000101111001
31000200212121221220021012222112
4300001223311212213011321
5210141130200142102301
62025122020223502105
762330200421326454
oct6001536546470571
91020777856235875
10211222022222201
1161335835aa79a1
121b8342aba57935
1390b21c7334ac3
143a232b3d6449b
15196458223a9bb
hexc01af59a7179

211222022222201 has 16 divisors (see below), whose sum is σ = 219315967342080. Its totient is φ = 203208313455360.

The previous prime is 211222022222161. The next prime is 211222022222203. The reversal of 211222022222201 is 102222220222112.

211222022222201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 211222022222201 - 218 = 211222021960057 is a prime.

It is a super-2 number, since 2×2112220222222012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211222022222203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57164090 + ... + 60746828.

It is an arithmetic number, because the mean of its divisors is an integer number (13707247958880).

Almost surely, 2211222022222201 is an apocalyptic number.

It is an amenable number.

211222022222201 is a deficient number, since it is larger than the sum of its proper divisors (8093945119879).

211222022222201 is a wasteful number, since it uses less digits than its factorization.

211222022222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593936.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 211222022222201 its reverse (102222220222112), we get a palindrome (313444242444313).

The spelling of 211222022222201 in words is "two hundred eleven trillion, two hundred twenty-two billion, twenty-two million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 31 173 5363 10993 340783 1901789 3582739 58955459 111064909 619813847 19214229257 39385049827 1220936544637 6813613620071 211222022222201