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11120232011021 = 72358901632329
BaseRepresentation
bin1010000111010010000101…
…1110101001010100001101
31110101002021002101200002122
42201310201132221110031
52424143213343323041
635352321500502325
72225260500335600
oct241644136512415
943332232350078
1011120232011021
1135a8078080381
1212b721324a9a5
136288306c2b43
142a6317634337
151443e1bddc4b
hexa1d217a950d

11120232011021 has 12 divisors (see below), whose sum is σ = 12935836594620. Its totient is φ = 9531585806400.

The previous prime is 11120232010997. The next prime is 11120232011059. The reversal of 11120232011021 is 12011023202111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8842505113225 + 2277726897796 = 2973635^2 + 1509214^2 .

It is not a de Polignac number, because 11120232011021 - 214 = 11120231994637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120232011321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17269985 + ... + 17902313.

It is an arithmetic number, because the mean of its divisors is an integer number (1077986382885).

Almost surely, 211120232011021 is an apocalyptic number.

It is an amenable number.

11120232011021 is a deficient number, since it is larger than the sum of its proper divisors (1815604583599).

11120232011021 is an equidigital number, since it uses as much as digits as its factorization.

11120232011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991244 (or 991237 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11120232011021 its reverse (12011023202111), we get a palindrome (23131255213132).

The spelling of 11120232011021 in words is "eleven trillion, one hundred twenty billion, two hundred thirty-two million, eleven thousand, twenty-one".

Divisors: 1 7 49 358901 632329 2512307 4426303 17586149 30984121 226943510429 1588604573003 11120232011021