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101112220101220 = 2255055611005061
BaseRepresentation
bin10110111111011000000101…
…111101100010101001100100
3111021000020022110122202110221
4112333120011331202221210
5101223110311321214340
6555014151311254124
730204055034051116
oct2677300575425144
9437006273582427
10101112220101220
112a2434a7291079
12b410285b1a344
134455ac285a533
141ad7c0122d3b6
15ba5262ebb44a
hex5bf605f62a64

101112220101220 has 12 divisors (see below), whose sum is σ = 212335662212604. Its totient is φ = 40444888040480.

The previous prime is 101112220101209. The next prime is 101112220101247. The reversal of 101112220101220 is 22101022211101.

101112220101220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 23199963089956 + 77912257011264 = 4816634^2 + 8826792^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101112220101194 and 101112220101203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527805502511 + ... + 2527805502550.

It is an arithmetic number, because the mean of its divisors is an integer number (17694638517717).

Almost surely, 2101112220101220 is an apocalyptic number.

101112220101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101112220101220 is an abundant number, since it is smaller than the sum of its proper divisors (111223442111384).

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

101112220101220 is a wasteful number, since it uses less digits than its factorization.

101112220101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055611005070 (or 5055611005068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101112220101220 its reverse (22101022211101), we get a palindrome (123213242312321).

The spelling of 101112220101220 in words is "one hundred one trillion, one hundred twelve billion, two hundred twenty million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5055611005061 10111222010122 20222444020244 25278055025305 50556110050610 101112220101220