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122111102222222 = 2163374573933197
BaseRepresentation
bin11011110000111100110100…
…110111101111111110001110
3121000100201002200001112220212
4123300330310313233332032
5112001132014132102342
61111413022124042422
734502143643042441
oct3360746467577616
9530321080045825
10122111102222222
11359aa033857a63
1211841b49093412
13531a048639229
1422222cd25d658
15e1b5cb3a0182
hex6f0f34deff8e

122111102222222 has 8 divisors (see below), whose sum is σ = 184290375133416. Its totient is φ = 60680977177752.

The previous prime is 122111102222093. The next prime is 122111102222227. The reversal of 122111102222222 is 222222201111221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1221111022222222 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111102222227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187286966273 + ... + 187286966924.

It is an arithmetic number, because the mean of its divisors is an integer number (23036296891677).

Almost surely, 2122111102222222 is an apocalyptic number.

122111102222222 is a deficient number, since it is larger than the sum of its proper divisors (62179272911194).

122111102222222 is a wasteful number, since it uses less digits than its factorization.

122111102222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374573933362.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122111102222222 its reverse (222222201111221), we get a palindrome (344333303333443).

The spelling of 122111102222222 in words is "one hundred twenty-two trillion, one hundred eleven billion, one hundred two million, two hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 163 326 374573933197 749147866394 61055551111111 122111102222222