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2221200212011 = 11296963010069
BaseRepresentation
bin100000010100101001110…
…110011000000000101011
321212100022021001220001221
4200110221312120000223
5242343004223241021
64420223313122511
7316322261166244
oct40245166300053
97770267056057
102221200212011
11787007682060
122ba597559437
131315c5ac7ca1
14797143ddccb
153cba274b241
hex20529d9802b

2221200212011 has 8 divisors (see below), whose sum is σ = 2506683625200. Its totient is φ = 1949642819040.

The previous prime is 2221200211991. The next prime is 2221200212041. The reversal of 2221200212011 is 1102120021222.

It is a happy number.

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 2221200212011 - 29 = 2221200211499 is a prime.

It is a super-2 number, since 2×22212002120112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221200212041) 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, 3481504716 + ... + 3481505353.

It is an arithmetic number, because the mean of its divisors is an integer number (313335453150).

Almost surely, 22221200212011 is an apocalyptic number.

2221200212011 is a deficient number, since it is larger than the sum of its proper divisors (285483413189).

2221200212011 is a wasteful number, since it uses less digits than its factorization.

2221200212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963010109.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221200212011 its reverse (1102120021222), we get a palindrome (3323320233233).

The spelling of 2221200212011 in words is "two trillion, two hundred twenty-one billion, two hundred million, two hundred twelve thousand, eleven".

Divisors: 1 11 29 319 6963010069 76593110759 201927292001 2221200212011