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11020021000212 = 2237131190726193
BaseRepresentation
bin1010000001011100110001…
…1011111110100000010100
31110000111121012200212102210
42200113030123332200110
52421023000334001322
635234305555033420
72215112251653330
oct240271433764024
943014535625383
1011020021000212
113569623621784
12129b90689b870
1361c250272443
142a152c5667c0
151419c91c270c
hexa05cc6fe814

11020021000212 has 24 divisors (see below), whose sum is σ = 29386722667456. Its totient is φ = 3148577428608.

The previous prime is 11020021000211. The next prime is 11020021000213. The reversal of 11020021000212 is 21200012002011.

It is an interprime number because it is at equal distance from previous prime (11020021000211) and next prime (11020021000213).

It is a super-2 number, since 2×110200210002122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020021000211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65595363013 + ... + 65595363180.

Almost surely, 211020021000212 is an apocalyptic number.

11020021000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11020021000212 is an abundant number, since it is smaller than the sum of its proper divisors (18366701667244).

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

11020021000212 is a wasteful number, since it uses less digits than its factorization.

11020021000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131190726207 (or 131190726205 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11020021000212 its reverse (21200012002011), we get a palindrome (32220033002223).

The spelling of 11020021000212 in words is "eleven trillion, twenty billion, twenty-one million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 131190726193 262381452386 393572178579 524762904772 787144357158 918335083351 1574288714316 1836670166702 2755005250053 3673340333404 5510010500106 11020021000212