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211020211122 = 23747106899803
BaseRepresentation
bin1100010010000111001…
…0001110001110110010
3202011200100202102011220
43010201302032032302
511424132133223442
6240535155245510
721150164125260
oct3044162161662
9664610672156
10211020211122
11815474539a6
1234a922a9896
1316b8c4a2066
14a2db933430
155750ba6eec
hex3121c8e3b2

211020211122 has 32 divisors (see below), whose sum is σ = 492594296832. Its totient is φ = 59008690704.

The previous prime is 211020211117. The next prime is 211020211133. The reversal of 211020211122 is 221112020112.

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 15 ways as a sum of consecutive naturals, for example, 53447928 + ... + 53451875.

It is an arithmetic number, because the mean of its divisors is an integer number (15393571776).

Almost surely, 2211020211122 is an apocalyptic number.

211020211122 is an abundant number, since it is smaller than the sum of its proper divisors (281574085710).

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

211020211122 is a wasteful number, since it uses less digits than its factorization.

211020211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106899862.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211020211122 its reverse (221112020112), we get a palindrome (432132231234).

The spelling of 211020211122 in words is "two hundred eleven billion, twenty million, two hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 47 94 141 282 329 658 987 1974 106899803 213799606 320699409 641398818 748298621 1496597242 2244895863 4489791726 5024290741 10048581482 15072872223 30145744446 35170035187 70340070374 105510105561 211020211122