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11212112012201 = 60078191227873
BaseRepresentation
bin1010001100101000010111…
…1101000010001110101001
31110200212102100211100000022
42203022011331002032221
52432144401133342301
635502435000050225
72235022405426262
oct243120575021651
943625370740008
1011212112012201
113633036a28151
121310b95763975
136343b3b65c49
142aa9520b1969
151469bd127d1b
hexa3285f423a9

11212112012201 has 8 divisors (see below), whose sum is σ = 11215396798464. Its totient is φ = 11208827710080.

The previous prime is 11212112012191. The next prime is 11212112012221. The reversal of 11212112012201 is 10221021121211.

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

It is a cyclic number.

It is not a de Polignac number, because 11212112012201 - 238 = 10937234105257 is a prime.

It is a super-2 number, since 2×112121120122012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212112012201.

It is not an unprimeable number, because it can be changed into a prime (11212112012221) 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, 49089401 + ... + 49317273.

It is an arithmetic number, because the mean of its divisors is an integer number (1401924599808).

Almost surely, 211212112012201 is an apocalyptic number.

It is an amenable number.

11212112012201 is a deficient number, since it is larger than the sum of its proper divisors (3284786263).

11212112012201 is an equidigital number, since it uses as much as digits as its factorization.

11212112012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242071.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11212112012201 its reverse (10221021121211), we get a palindrome (21433133133412).

The spelling of 11212112012201 in words is "eleven trillion, two hundred twelve billion, one hundred twelve million, twelve thousand, two hundred one".

Divisors: 1 6007 8191 227873 49203337 1368833111 1866507743 11212112012201