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121122210000199 = 899368113467479
BaseRepresentation
bin11011100010100011110110…
…010011010010110101000111
3120212212011121001212201021011
4123202203312103102311013
5111333431241230001244
61105334435231503051
734340535163614652
oct3342436623226507
9525764531781234
10121122210000199
1135658705994071
1211702367087a87
135277a10702ba5
1421ca4bc140899
15e009eedb7434
hex6e28f64d2d47

121122210000199 has 4 divisors (see below), whose sum is σ = 121122232461360. Its totient is φ = 121122187539040.

The previous prime is 121122210000193. The next prime is 121122210000227. The reversal of 121122210000199 is 991000012221121.

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 121122210000199 - 25 = 121122210000167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121122210000199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122210000193) 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, 2259942 + ... + 15727420.

It is an arithmetic number, because the mean of its divisors is an integer number (30280558115340).

Almost surely, 2121122210000199 is an apocalyptic number.

121122210000199 is a deficient number, since it is larger than the sum of its proper divisors (22461161).

121122210000199 is an equidigital number, since it uses as much as digits as its factorization.

121122210000199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22461160.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 121122210000199 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred ten million, one hundred ninety-nine", and thus it is an aban number.

Divisors: 1 8993681 13467479 121122210000199