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11020120201012 = 2213211925388481
BaseRepresentation
bin1010000001011101001001…
…0110011001011100110100
31110000111212010100210100111
42200113102112121130310
52421023201232413022
635234323501152404
72215114565106436
oct240272226313464
943014763323314
1011020120201012
11356967461780a
12129b933b5b704
1361c267996240
142a153b7ca656
151419d2c6a477
hexa05d2599734

11020120201012 has 12 divisors (see below), whose sum is σ = 20768688071236. Its totient is φ = 5086209323520.

The previous prime is 11020120201009. The next prime is 11020120201019. The reversal of 11020120201012 is 21010202102011.

It can be written as a sum of positive squares in 2 ways, for example, as 2918377722276 + 8101742478736 = 1708326^2 + 2846356^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11020120200983 and 11020120201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020120201019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105962694189 + ... + 105962694292.

Almost surely, 211020120201012 is an apocalyptic number.

It is an amenable number.

11020120201012 is a deficient number, since it is larger than the sum of its proper divisors (9748567870224).

11020120201012 is a wasteful number, since it uses less digits than its factorization.

11020120201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211925388498 (or 211925388496 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11020120201012 its reverse (21010202102011), we get a palindrome (32030322303023).

The spelling of 11020120201012 in words is "eleven trillion, twenty billion, one hundred twenty million, two hundred one thousand, twelve".

Divisors: 1 2 4 13 26 52 211925388481 423850776962 847701553924 2755030050253 5510060100506 11020120201012