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101222021002220 = 22521130778131143
BaseRepresentation
bin10111000000111110010110…
…100110101111001111101100
3111021101201201200102110100222
4113000332112212233033230
5101231410144334032340
6555140430545510512
730215023020236036
oct2700762646571754
9437351650373328
10101222021002220
112a286022004158
12b42960a042438
134463270a27281
141add259bc6c56
15ba803c8868b5
hex5c0f969af3ec

101222021002220 has 48 divisors (see below), whose sum is σ = 214269349502208. Its totient is φ = 40165657479360.

The previous prime is 101222021002211. The next prime is 101222021002237. The reversal of 101222021002220 is 22200120222101.

It is a happy number.

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, 37770032 + ... + 40361111.

It is an arithmetic number, because the mean of its divisors is an integer number (4463944781296).

Almost surely, 2101222021002220 is an apocalyptic number.

101222021002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222021002220 is an abundant number, since it is smaller than the sum of its proper divisors (113047328499988).

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

101222021002220 is a wasteful number, since it uses less digits than its factorization.

101222021002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78131670 (or 78131668 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 101222021002220 its reverse (22200120222101), we get a palindrome (123422141224321).

The spelling of 101222021002220 in words is "one hundred one trillion, two hundred twenty-two billion, twenty-one million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 211 307 422 614 844 1055 1228 1535 2110 3070 4220 6140 64777 129554 259108 323885 647770 1295540 78131143 156262286 312524572 390655715 781311430 1562622860 16485671173 23986260901 32971342346 47972521802 65942684692 82428355865 95945043604 119931304505 164856711730 239862609010 329713423460 479725218020 5061101050111 10122202100222 20244404200444 25305505250555 50611010501110 101222021002220