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122212010110021 = 1338683924301903
BaseRepresentation
bin11011110010011010110011…
…011100110010110001000101
3121000201100120010001101002121
4123302122303130302301011
5112004310144042010041
61111531231122205541
734512345352661236
oct3362326334626105
9530640503041077
10122212010110021
1135a38905712657
121185960aab38b1
13532670a274690
142227142ad108d
15e1e0351737d1
hex6f26b3732c45

122212010110021 has 8 divisors (see below), whose sum is σ = 131613279607040. Its totient is φ = 112810789990512.

The previous prime is 122212010110007. The next prime is 122212010110033. The reversal of 122212010110021 is 120011010212221.

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 122212010110021 - 211 = 122212010107973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122212010109977 and 122212010110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212010110061) 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, 7122045 + ... + 17179858.

It is an arithmetic number, because the mean of its divisors is an integer number (16451659950880).

Almost surely, 2122212010110021 is an apocalyptic number.

It is an amenable number.

122212010110021 is a deficient number, since it is larger than the sum of its proper divisors (9401269497019).

122212010110021 is a wasteful number, since it uses less digits than its factorization.

122212010110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24688755.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122212010110021 its reverse (120011010212221), we get a palindrome (242223020322242).

The spelling of 122212010110021 in words is "one hundred twenty-two trillion, two hundred twelve billion, ten million, one hundred ten thousand, twenty-one".

Divisors: 1 13 386839 5028907 24301903 315924739 9400923854617 122212010110021