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122102220222220 = 22571446160311093
BaseRepresentation
bin11011110000110100100011…
…011101100110111100001100
3121000022212011200000012110211
4123300310203131212330030
5112001010321334102340
61111404552520012204
734501410562222630
oct3360644335467414
9530285150005424
10122102220222220
11359a6296131997
121184028a601064
135319261462724
142221ac97a2dc0
15e1b25b7315ea
hex6f0d23766f0c

122102220222220 has 48 divisors (see below), whose sum is σ = 293065597919808. Its totient is φ = 41860722735360.

The previous prime is 122102220222181. The next prime is 122102220222233. The reversal of 122102220222220 is 22222022201221.

It is a junction number, because it is equal to n+sod(n) for n = 122102220222191 and 122102220222200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28131007 + ... + 32180086.

It is an arithmetic number, because the mean of its divisors is an integer number (6105533289996).

Almost surely, 2122102220222220 is an apocalyptic number.

122102220222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122102220222220 is an abundant number, since it is smaller than the sum of its proper divisors (170963377697588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122102220222220 is a wasteful number, since it uses less digits than its factorization.

122102220222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60325570 (or 60325568 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 122102220222220 its reverse (22222022201221), we get a palindrome (144324242423441).

The spelling of 122102220222220 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 14461 28922 57844 72305 101227 144610 202454 289220 404908 506135 1012270 2024540 60311093 120622186 241244372 301555465 422177651 603110930 844355302 1206221860 1688710604 2110888255 4221776510 8443553020 872158715873 1744317431746 3488634863492 4360793579365 6105111011111 8721587158730 12210222022222 17443174317460 24420444044444 30525555055555 61051110111110 122102220222220