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10220221110220 = 22511389119423009
BaseRepresentation
bin1001010010111001010010…
…1001100001011111001100
31100012001011210002202202221
42110232110221201133030
52314422003101011340
633423034343425124
72103246415034362
oct224562451413714
940161153082687
1010220221110220
11329040a415660
1211908b74551a4
135919bb8bb174
14274938a11632
1512acb875c44a
hex94b94a617cc

10220221110220 has 48 divisors (see below), whose sum is σ = 23473786845600. Its totient is φ = 3706890168320.

The previous prime is 10220221110137. The next prime is 10220221110223. The reversal of 10220221110220 is 2201112202201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10220221110194 and 10220221110203.

It is not an unprimeable number, because it can be changed into a prime (10220221110223) 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, 59625925 + ... + 59797084.

It is an arithmetic number, because the mean of its divisors is an integer number (489037225950).

Almost surely, 210220221110220 is an apocalyptic number.

10220221110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220221110220 is an abundant number, since it is smaller than the sum of its proper divisors (13253565735380).

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

10220221110220 is a wasteful number, since it uses less digits than its factorization.

10220221110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119423418 (or 119423416 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10220221110220 its reverse (2201112202201), we get a palindrome (12421333312421).

The spelling of 10220221110220 in words is "ten trillion, two hundred twenty billion, two hundred twenty-one million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 389 778 1556 1945 3890 4279 7780 8558 17116 21395 42790 85580 119423009 238846018 477692036 597115045 1194230090 1313653099 2388460180 2627306198 5254612396 6568265495 13136530990 26273061980 46455550501 92911101002 185822202004 232277752505 464555505010 511011055511 929111010020 1022022111022 2044044222044 2555055277555 5110110555110 10220221110220