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122022211118 = 261011105559
BaseRepresentation
bin111000110100100010…
…1110010111000101110
3102122221221022120122112
41301221011302320232
53444400141223433
6132020051244022
711546552452433
oct1615105627056
9378857276575
10122022211118
11478273a2285
121b794ba9612
13b67813a3b2
145c97b43b8a
1532927a4348
hex1c69172e2e

122022211118 has 4 divisors (see below), whose sum is σ = 183033316680. Its totient is φ = 61011105558.

The previous prime is 122022211117. The next prime is 122022211127. The reversal of 122022211118 is 811112220221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 811112220221 = 964698408009.

It is a super-2 number, since 2×1220222111182 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122022211093 and 122022211102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122022211117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30505552778 + ... + 30505552781.

It is an arithmetic number, because the mean of its divisors is an integer number (45758329170).

Almost surely, 2122022211118 is an apocalyptic number.

122022211118 is a deficient number, since it is larger than the sum of its proper divisors (61011105562).

122022211118 is an equidigital number, since it uses as much as digits as its factorization.

122022211118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61011105561.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 122022211118 its reverse (811112220221), we get a palindrome (933134431339).

The spelling of 122022211118 in words is "one hundred twenty-two billion, twenty-two million, two hundred eleven thousand, one hundred eighteen".

Divisors: 1 2 61011105559 122022211118