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121020222022 = 279049955277
BaseRepresentation
bin111000010110101011…
…1100000101001000110
3102120101002220021000021
41300231113200221012
53440322134101042
6131332415205354
711512664625430
oct1605527405106
9376332807007
10121020222022
1147362840017
121b55551685a
13b548684a3b
145c00a39650
15323482d867
hex1c2d5e0a46

121020222022 has 16 divisors (see below), whose sum is σ = 207486381600. Its totient is φ = 51860023488.

The previous prime is 121020222019. The next prime is 121020222023. The reversal of 121020222022 is 220222020121.

It is a junction number, because it is equal to n+sod(n) for n = 121020221987 and 121020222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020222023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350953 + ... + 604324.

It is an arithmetic number, because the mean of its divisors is an integer number (12967898850).

Almost surely, 2121020222022 is an apocalyptic number.

121020222022 is a deficient number, since it is larger than the sum of its proper divisors (86466159578).

121020222022 is an equidigital number, since it uses as much as digits as its factorization.

121020222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964335.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 121020222022 its reverse (220222020121), we get a palindrome (341242242143).

The spelling of 121020222022 in words is "one hundred twenty-one billion, twenty million, two hundred twenty-two thousand, twenty-two".

Divisors: 1 2 7 14 9049 18098 63343 126686 955277 1910554 6686939 13373878 8644301573 17288603146 60510111011 121020222022