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120211101100220 = 225132530811826887
BaseRepresentation
bin11011010101010011010011…
…111110101010100010111100
3120202122001212022202001002212
4123111103103332222202330
5111224014313340201340
61103400114550035552
734214652102010634
oct3325232376524274
9522561768661085
10120211101100220
11353372727462a9
1211595872648bb8
13520cb205b09b0
14219836961b6c4
15dd6e77489a65
hex6d54d3faa8bc

120211101100220 has 48 divisors (see below), whose sum is σ = 271863251663808. Its totient is φ = 44385437652480.

The previous prime is 120211101100201. The next prime is 120211101100267. The reversal of 120211101100220 is 22001101112021.

It is a junction number, because it is equal to n+sod(n) for n = 120211101100195 and 120211101100204.

It is a congruent 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, 64887617 + ... + 66714503.

It is an arithmetic number, because the mean of its divisors is an integer number (5663817742996).

Almost surely, 2120211101100220 is an apocalyptic number.

120211101100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211101100220 is an abundant number, since it is smaller than the sum of its proper divisors (151652150563588).

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

120211101100220 is a wasteful number, since it uses less digits than its factorization.

120211101100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079990 (or 2079988 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120211101100220 its reverse (22001101112021), we get a palindrome (142212202212241).

The spelling of 120211101100220 in words is "one hundred twenty trillion, two hundred eleven billion, one hundred one million, one hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 253081 506162 1012324 1265405 1826887 2530810 3290053 3653774 5061620 6580106 7307548 9134435 13160212 16450265 18268870 23749531 32900530 36537740 47499062 65801060 94998124 118747655 237495310 474990620 462350388847 924700777694 1849401555388 2311751944235 4623503888470 6010555055011 9247007776940 12021110110022 24042220220044 30052775275055 60105550550110 120211101100220