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212233213111 = 29311072206327
BaseRepresentation
bin1100010110101000010…
…1011101010010110111
3202021210220020022002111
43011222011131102313
511434123200304421
6241255410151451
721222223355233
oct3055205352267
9667726208074
10212233213111
118200a130287
1235170582587
131702389960a
14a3b4a895c3
1557c240eee1
hex316a15d4b7

212233213111 has 16 divisors (see below), whose sum is σ = 228752087040. Its totient is φ = 196451267040.

The previous prime is 212233213081. The next prime is 212233213121. The reversal of 212233213111 is 111312332212.

It is a cyclic number.

It is not a de Polignac number, because 212233213111 - 25 = 212233213079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212233213121) 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, 1006971 + ... + 1199356.

It is an arithmetic number, because the mean of its divisors is an integer number (14297005440).

Almost surely, 2212233213111 is an apocalyptic number.

212233213111 is a deficient number, since it is larger than the sum of its proper divisors (16518873929).

212233213111 is a wasteful number, since it uses less digits than its factorization.

212233213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206494.

The product of its digits is 432, while the sum is 22.

Adding to 212233213111 its reverse (111312332212), we get a palindrome (323545545323).

The spelling of 212233213111 in words is "two hundred twelve billion, two hundred thirty-three million, two hundred thirteen thousand, one hundred eleven".

Divisors: 1 29 31 107 899 3103 3317 96193 2206327 63983483 68396137 236076989 1983487973 6846232681 7318386659 212233213111