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211211211202202 = 21916334099323733
BaseRepresentation
bin110000000001100001110001…
…001101110101111010011010
31000200211121001110102111120102
4300001201301031311322122
5210140441030031432302
62025113031350055402
762326335465222641
oct6001416115657232
91020747043374512
10211211211202202
1161331198505622
121b83219334a562
1390b1193606853
143a2296a208358
15196414d07a702
hexc01871375e9a

211211211202202 has 16 divisors (see below), whose sum is σ = 335537345542560. Its totient is φ = 99433628002512.

The previous prime is 211211211202177. The next prime is 211211211202219. The reversal of 211211211202202 is 202202112112112.

It is a super-2 number, since 2×2112112112022022 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17049655673 + ... + 17049668060.

It is an arithmetic number, because the mean of its divisors is an integer number (20971084096410).

Almost surely, 2211211211202202 is an apocalyptic number.

211211211202202 is a deficient number, since it is larger than the sum of its proper divisors (124326134340358).

211211211202202 is a wasteful number, since it uses less digits than its factorization.

211211211202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34099323917.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211211211202202 its reverse (202202112112112), we get a palindrome (413413323314314).

The spelling of 211211211202202 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred eleven million, two hundred two thousand, two hundred two".

Divisors: 1 2 19 38 163 326 3097 6194 34099323733 68198647466 647887150927 1295774301854 5558189768479 11116379536958 105605605601101 211211211202202