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102101222022220 = 225122319141218077
BaseRepresentation
bin10111001101110001001011…
…000100011101110001001100
3111101111210002201020212211201
4113031301023010131301030
5101340311300314202340
61001052353122555244
730335366314504651
oct2715611304356114
9441453081225751
10102101222022220
112a594981070483
12b54ba98808b24
1344c8147421c05
141b2da22b45c28
15bc0d48e2279a
hex5cdc4b11dc4c

102101222022220 has 48 divisors (see below), whose sum is σ = 214600078099008. Its totient is φ = 40804776080640.

The previous prime is 102101222022181. The next prime is 102101222022223. The reversal of 102101222022220 is 22220222101201.

It is not an unprimeable number, because it can be changed into a prime (102101222022223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468079822 + ... + 468297898.

It is an arithmetic number, because the mean of its divisors is an integer number (4470834960396).

Almost surely, 2102101222022220 is an apocalyptic number.

102101222022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101222022220 is an abundant number, since it is smaller than the sum of its proper divisors (112498856076788).

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

102101222022220 is a wasteful number, since it uses less digits than its factorization.

102101222022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238450 (or 238448 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102101222022220 its reverse (22220222101201), we get a palindrome (124321444123421).

The spelling of 102101222022220 in words is "one hundred two trillion, one hundred one billion, two hundred twenty-two million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1223 2446 4892 6115 12230 19141 24460 38282 76564 95705 191410 218077 382820 436154 872308 1090385 2180770 4361540 23409443 46818886 93637772 117047215 234094430 266708171 468188860 533416342 1066832684 1333540855 2667081710 4174211857 5334163420 8348423714 16696847428 20871059285 41742118570 83484237140 5105061101111 10210122202222 20420244404444 25525305505555 51050611011110 102101222022220