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112012021122221 = 1112976978469519
BaseRepresentation
bin11001011101111111010100…
…101110101100010010101101
3112200121020121100020220200002
4121131333110232230102231
5104140201104401402341
61034121340115114045
732410413206053313
oct3135772456542255
9480536540226602
10112012021122221
113276603885a030
121069081b2a2925
134a668c41844ac
141d935a714a0b3
15ce3a52c3429b
hex65dfd4bac4ad

112012021122221 has 8 divisors (see below), whose sum is σ = 122195875324800. Its totient is φ = 101828324118240.

The previous prime is 112012021122163. The next prime is 112012021122227. The reversal of 112012021122221 is 122221120210211.

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 112012021122221 - 214 = 112012021105837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112012021122193 and 112012021122202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012021122227) 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, 37807301 + ... + 40662218.

It is an arithmetic number, because the mean of its divisors is an integer number (15274484415600).

Almost surely, 2112012021122221 is an apocalyptic number.

112012021122221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112012021122221 is a deficient number, since it is larger than the sum of its proper divisors (10183854202579).

112012021122221 is a wasteful number, since it uses less digits than its factorization.

112012021122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78599299.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112012021122221 its reverse (122221120210211), we get a palindrome (234233141332432).

The spelling of 112012021122221 in words is "one hundred twelve trillion, twelve billion, twenty-one million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 11 129769 1427459 78469519 863164709 10182911011111 112012021122221