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11112111201201 = 311998330871349
BaseRepresentation
bin1010000110110011110101…
…1100001101101110110001
31110100022022010122210021120
42201230331130031232301
52424030100431414301
635344500003412453
72224552321522323
oct241547534155661
943308263583246
1011112111201201
1135a46900987aa
1212b5727684129
13627b3813132a
142a5b86cbd613
151440b8ccce36
hexa1b3d70dbb1

11112111201201 has 8 divisors (see below), whose sum is σ = 14816272233600. Its totient is φ = 7408012151472.

The previous prime is 11112111201133. The next prime is 11112111201281. The reversal of 11112111201201 is 10210211121111.

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

It is not a de Polignac number, because 11112111201201 - 218 = 11112110939057 is a prime.

It is a super-2 number, since 2×111121112012012 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11112111201281) 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, 15075726 + ... + 15795623.

It is an arithmetic number, because the mean of its divisors is an integer number (1852034029200).

Almost surely, 211112111201201 is an apocalyptic number.

It is an amenable number.

11112111201201 is a deficient number, since it is larger than the sum of its proper divisors (3704161032399).

11112111201201 is a wasteful number, since it uses less digits than its factorization.

11112111201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30991335.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11112111201201 its reverse (10210211121111), we get a palindrome (21322322322312).

The spelling of 11112111201201 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, two hundred one thousand, two hundred one".

Divisors: 1 3 119983 359949 30871349 92614047 3704037067067 11112111201201