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11221012222331 = 193654191616171
BaseRepresentation
bin1010001101001001100001…
…1100101001000101111011
31110201201101122010212001112
42203102120130221011323
52432321113112103311
635510510054310535
72235456100111622
oct243223034510573
943651348125045
1011221012222331
11363689396080a
12131285a35844b
136351a1a47282
142ab15814c6b9
15146d3e69228b
hexa349872917b

11221012222331 has 8 divisors (see below), whose sum is σ = 11811631444800. Its totient is φ = 10630396963080.

The previous prime is 11221012222319. The next prime is 11221012222337. The reversal of 11221012222331 is 13322221012211.

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 11221012222331 - 242 = 6822965711227 is a prime.

It is a super-2 number, since 2×112210122223312 (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 = 11221012222297 and 11221012222306.

It is not an unprimeable number, because it can be changed into a prime (11221012222337) 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, 6134876 + ... + 7751046.

It is an arithmetic number, because the mean of its divisors is an integer number (1476453930600).

Almost surely, 211221012222331 is an apocalyptic number.

11221012222331 is a deficient number, since it is larger than the sum of its proper divisors (590619222469).

11221012222331 is a wasteful number, since it uses less digits than its factorization.

11221012222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981609.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11221012222331 its reverse (13322221012211), we get a palindrome (24543233234542).

The spelling of 11221012222331 in words is "eleven trillion, two hundred twenty-one billion, twelve million, two hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 19 365419 1616171 6942961 30707249 590579590649 11221012222331