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101222100022220 = 2256841764396797
BaseRepresentation
bin10111000000111110011011…
…010100001011001111001100
3111021101201221012010002102122
4113000332123110023033030
5101231410330101202340
6555140442451312112
730215025000011042
oct2700763324131714
9437351835102378
10101222100022220
112a286062676041
12b4296305ab638
134463284203578
141add2664b6392
15ba8044794db5
hex5c0f9b50b3cc

101222100022220 has 48 divisors (see below), whose sum is σ = 212627495047968. Its totient is φ = 40477206551040.

The previous prime is 101222100022139. The next prime is 101222100022223. The reversal of 101222100022220 is 22220001222101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101222100022223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045666862 + ... + 1045763658.

It is an arithmetic number, because the mean of its divisors is an integer number (4429739480166).

Almost surely, 2101222100022220 is an apocalyptic number.

101222100022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222100022220 is an abundant number, since it is smaller than the sum of its proper divisors (111405395025748).

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

101222100022220 is a wasteful number, since it uses less digits than its factorization.

101222100022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111290 (or 111288 counting only the distinct ones).

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

Adding to 101222100022220 its reverse (22220001222101), we get a palindrome (123442101244321).

The spelling of 101222100022220 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6841 7643 13682 15286 27364 30572 34205 38215 68410 76430 96797 136820 152860 193594 387188 483985 967970 1935940 52285763 104571526 209143052 261428815 522857630 662188277 739819471 1045715260 1324376554 1479638942 2648753108 2959277884 3310941385 3699097355 6621882770 7398194710 13243765540 14796389420 5061105001111 10122210002222 20244420004444 25305525005555 50611050011110 101222100022220