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1222111110122 = 272910691281557
BaseRepresentation
bin10001110010001011011…
…111111010001111101010
311022211111000122212212222
4101302023133322033222
5130010340421010442
62333232522234042
7154203024015650
oct21621337721752
94284430585788
101222111110122
11431326952421
12178a2a655922
138b324470416
1443216d4cdd0
1521bcae658d2
hex11c8b7fa3ea

1222111110122 has 32 divisors (see below), whose sum is σ = 2167501057920. Its totient is φ = 505652051520.

The previous prime is 1222111110109. The next prime is 1222111110131. The reversal of 1222111110122 is 2210111112221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222111110122.

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, 4199768 + ... + 4481324.

It is an arithmetic number, because the mean of its divisors is an integer number (67734408060).

Almost surely, 21222111110122 is an apocalyptic number.

1222111110122 is a deficient number, since it is larger than the sum of its proper divisors (945389947798).

1222111110122 is a wasteful number, since it uses less digits than its factorization.

1222111110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292286.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1222111110122 its reverse (2210111112221), we get a palindrome (3432222222343).

The spelling of 1222111110122 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, one hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 7 14 29 58 203 406 10691 21382 74837 149674 281557 310039 563114 620078 1970899 2170273 3941798 4340546 8165153 16330306 57156071 114312142 3010125887 6020251774 21070881209 42141762418 87293650723 174587301446 611055555061 1222111110122