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11020211001212 = 2271013896821429
BaseRepresentation
bin1010000001011101011111…
…0000110001011101111100
31110000112002110012220210212
42200113113300301131330
52421023343004014322
635234340503251552
72215120046644160
oct240272760613574
943015073186725
1011020211001212
1135697108a52a6
12129b95a449bb8
1361c28073847a
142a15498a4ca0
151419dac040e2
hexa05d7c3177c

11020211001212 has 24 divisors (see below), whose sum is σ = 22258644008160. Its totient is φ = 4676185713600.

The previous prime is 11020211001211. The next prime is 11020211001253. The reversal of 11020211001212 is 21210011202011.

It is a super-2 number, since 2×110202110012122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020211001211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948407887 + ... + 1948413542.

It is an arithmetic number, because the mean of its divisors is an integer number (927443500340).

Almost surely, 211020211001212 is an apocalyptic number.

It is an amenable number.

11020211001212 is an abundant number, since it is smaller than the sum of its proper divisors (11238433006948).

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

11020211001212 is a wasteful number, since it uses less digits than its factorization.

11020211001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896821541 (or 3896821539 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11020211001212 its reverse (21210011202011), we get a palindrome (32230222203223).

The spelling of 11020211001212 in words is "eleven trillion, twenty billion, two hundred eleven million, one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 101 202 404 707 1414 2828 3896821429 7793642858 15587285716 27277750003 54555500006 109111000012 393578964329 787157928658 1574315857316 2755052750303 5510105500606 11020211001212