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11122020022231 = 78539141611429
BaseRepresentation
bin1010000111011000110000…
…0011010111011111010111
31110101020212200212001101001
42201312030003113133113
52424210344111202411
635353215132044131
72225353011231346
oct241661403273727
943336780761331
1011122020022231
1135a8905396698
1212b7632003647
13628a56c76041
142a6446ca9b5d
15144498b79dc1
hexa1d8c0d77d7

11122020022231 has 4 divisors (see below), whose sum is σ = 11122161712200. Its totient is φ = 11121878332264.

The previous prime is 11122020022151. The next prime is 11122020022247. The reversal of 11122020022231 is 13222002022111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11122020022231 - 29 = 11122020021719 is a prime.

It is a super-2 number, since 2×111220200222312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11122020022199 and 11122020022208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122020022261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70727176 + ... + 70884253.

It is an arithmetic number, because the mean of its divisors is an integer number (2780540428050).

Almost surely, 211122020022231 is an apocalyptic number.

11122020022231 is a deficient number, since it is larger than the sum of its proper divisors (141689969).

11122020022231 is an equidigital number, since it uses as much as digits as its factorization.

11122020022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141689968.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11122020022231 its reverse (13222002022111), we get a palindrome (24344022044342).

The spelling of 11122020022231 in words is "eleven trillion, one hundred twenty-two billion, twenty million, twenty-two thousand, two hundred thirty-one".

Divisors: 1 78539 141611429 11122020022231