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211022102012122 = 21597126713521401
BaseRepresentation
bin101111111110110001101001…
…011011100010000011011010
31000200011111221010010021200101
4233332301221123202003122
5210124341231103341442
62024450114303530014
762306562256512232
oct5776615133420332
91020144833107611
10211022102012122
1161268a75284085
121b8015b6bb990a
1390993b67014cb
143a1774a6d2cc2
15195e280cc7cb7
hexbfec696e20da

211022102012122 has 16 divisors (see below), whose sum is σ = 316734464936232. Its totient is φ = 105443948332800.

The previous prime is 211022102012093. The next prime is 211022102012207. The reversal of 211022102012122 is 221210201220112.

It can be written as a sum of positive squares in 4 ways, for example, as 126734480884881 + 84287621127241 = 11257641^2 + 9180829^2 .

It is a super-2 number, since 2×2110221020121222 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211022102012122.

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, 404460622 + ... + 404982022.

Almost surely, 2211022102012122 is an apocalyptic number.

211022102012122 is a deficient number, since it is larger than the sum of its proper divisors (105712362924110).

211022102012122 is a wasteful number, since it uses less digits than its factorization.

211022102012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649713.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211022102012122 its reverse (221210201220112), we get a palindrome (432232303232234).

The spelling of 211022102012122 in words is "two hundred eleven trillion, twenty-two billion, one hundred two million, twelve thousand, one hundred twenty-two".

Divisors: 1 2 1597 3194 126713 253426 521401 1042802 202360661 404721322 832677397 1665354794 66068284913 132136569826 105511051006061 211022102012122