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122102122323211 = 419291413179769
BaseRepresentation
bin11011110000110100011101…
…101000001001110100001011
3121000022211220211210102021121
4123300310131220021310023
5112001010121303320321
61111404535101420111
734501405263131032
oct3360643550116413
9530284824712247
10122102122323211
11359a6245945a18
121184026186a637
1353192470a6314
142221aba79b719
15e1b252d44441
hex6f0d1da09d0b

122102122323211 has 4 divisors (see below), whose sum is σ = 122393535503400. Its totient is φ = 121810709143024.

The previous prime is 122102122323199. The next prime is 122102122323221. The reversal of 122102122323211 is 112323221201221.

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 122102122323211 - 25 = 122102122323179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122102122323221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145706589466 + ... + 145706590303.

It is an arithmetic number, because the mean of its divisors is an integer number (30598383875850).

Almost surely, 2122102122323211 is an apocalyptic number.

122102122323211 is a deficient number, since it is larger than the sum of its proper divisors (291413180189).

122102122323211 is an equidigital number, since it uses as much as digits as its factorization.

122102122323211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291413180188.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 122102122323211 its reverse (112323221201221), we get a palindrome (234425343524432).

The spelling of 122102122323211 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred eleven".

Divisors: 1 419 291413179769 122102122323211