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11131221141210 = 2351061349708487
BaseRepresentation
bin1010000111111011000001…
…1110110110011011011010
31110102010121221101022202110
42201332300132312123122
52424333220103004320
635401340140013150
72226130015400202
oct241766036663332
943363557338673
1011131221141210
1136017a7164555
1212b937b5311b6
136298922b2a41
142a6a7acb5402
151448368325e0
hexa1fb07b66da

11131221141210 has 32 divisors (see below), whose sum is σ = 26740109826432. Its totient is φ = 2965527961280.

The previous prime is 11131221141197. The next prime is 11131221141211. The reversal of 11131221141210 is 1214112213111.

It is not an unprimeable number, because it can be changed into a prime (11131221141211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174822414 + ... + 174886073.

It is an arithmetic number, because the mean of its divisors is an integer number (835628432076).

Almost surely, 211131221141210 is an apocalyptic number.

11131221141210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11131221141210 is an abundant number, since it is smaller than the sum of its proper divisors (15608888685222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131221141210 is a wasteful number, since it uses less digits than its factorization.

11131221141210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349709558.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 11131221141210 its reverse (1214112213111), we get a palindrome (12345333354321).

The spelling of 11131221141210 in words is "eleven trillion, one hundred thirty-one billion, two hundred twenty-one million, one hundred forty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1061 2122 3183 5305 6366 10610 15915 31830 349708487 699416974 1049125461 1748542435 2098250922 3497084870 5245627305 10491254610 371040704707 742081409414 1113122114121 1855203523535 2226244228242 3710407047070 5565610570605 11131221141210