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11201212122 = 231866868687
BaseRepresentation
bin10100110111010010…
…01110111011011010
31001220122001112101020
422123221032323122
5140420002241442
65051252503310
7544401506052
oct123351167332
931818045336
1011201212122
114828879501
12220731ab36
131096817589
147838ca562
154585879ec
hex29ba4eeda

11201212122 has 8 divisors (see below), whose sum is σ = 22402424256. Its totient is φ = 3733737372.

The previous prime is 11201212117. The next prime is 11201212171. The reversal of 11201212122 is 22121210211.

It is a sphenic number, since it is the product of 3 distinct primes.

11201212122 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933434338 + ... + 933434349.

It is an arithmetic number, because the mean of its divisors is an integer number (2800303032).

Almost surely, 211201212122 is an apocalyptic number.

11201212122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11201212122 is a wasteful number, since it uses less digits than its factorization.

11201212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866868692.

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

Adding to 11201212122 its reverse (22121210211), we get a palindrome (33322422333).

The spelling of 11201212122 in words is "eleven billion, two hundred one million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 3 6 1866868687 3733737374 5600606061 11201212122