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211212210201122 = 21331262049888587
BaseRepresentation
bin110000000001100010101100…
…110000101110001000100010
31000200211200122002012220110102
4300001202230300232020202
5210141000101302413442
62025113314434102402
762326402315454144
oct6001425460561042
91020750562186412
10211212210201122
1161331660405269
121b832411a1aa02
1390b12c2583180
143a22a22b74c94
1519641aab10232
hexc018acc2e222

211212210201122 has 16 divisors (see below), whose sum is σ = 352195050262272. Its totient is φ = 94337959890960.

The previous prime is 211212210201101. The next prime is 211212210201151. The reversal of 211212210201122 is 221102012212112.

It is a super-2 number, since 2×2112122102011222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211212210201094 and 211212210201103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131024943488 + ... + 131024945099.

It is an arithmetic number, because the mean of its divisors is an integer number (22012190641392).

Almost surely, 2211212210201122 is an apocalyptic number.

211212210201122 is a deficient number, since it is larger than the sum of its proper divisors (140982840061150).

211212210201122 is a wasteful number, since it uses less digits than its factorization.

211212210201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262049888633.

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

Adding to 211212210201122 its reverse (221102012212112), we get a palindrome (432314222413234).

The spelling of 211212210201122 in words is "two hundred eleven trillion, two hundred twelve billion, two hundred ten million, two hundred one thousand, one hundred twenty-two".

Divisors: 1 2 13 26 31 62 403 806 262049888587 524099777174 3406648551631 6813297103262 8123546546197 16247093092394 105606105100561 211212210201122