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211112202011201 = 894227535610953
BaseRepresentation
bin110000000000000101100011…
…110011110000001001000001
31000200111010111100011110202022
4300000011203303300021001
5210132330242203324301
62024555335015331225
762316232112045261
oct6000054363601101
91020433440143668
10211112202011201
11612a3200395a37
121b816b61380b15
1390a4a45166a2a
143a1bc569c17a1
1519617a5d08d1b
hexc00163cf0241

211112202011201 has 8 divisors (see below), whose sum is σ = 213484792258440. Its totient is φ = 208739623831552.

The previous prime is 211112202011159. The next prime is 211112202011299. The reversal of 211112202011201 is 102110202211112.

It can be written as a sum of positive squares in 4 ways, for example, as 2061088051201 + 209051113960000 = 1435649^2 + 14458600^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-211112202011201 is a prime.

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 211112202011201.

It is not an unprimeable number, because it can be changed into a prime (211112202011701) 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, 34819541 + ... + 40430493.

It is an arithmetic number, because the mean of its divisors is an integer number (26685599032305).

Almost surely, 2211112202011201 is an apocalyptic number.

It is an amenable number.

211112202011201 is a deficient number, since it is larger than the sum of its proper divisors (2372590247239).

211112202011201 is an equidigital number, since it uses as much as digits as its factorization.

211112202011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033795.

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

Adding to 211112202011201 its reverse (102110202211112), we get a palindrome (313222404222313).

The spelling of 211112202011201 in words is "two hundred eleven trillion, one hundred twelve billion, two hundred two million, eleven thousand, two hundred one".

Divisors: 1 89 422753 5610953 37625017 499374817 2372047213609 211112202011201