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122101102220 = 22530732096197
BaseRepresentation
bin111000110110111001…
…0101111011010001100
3102200011102202122220012
41301231302233122030
54000030340232340
6132031550212352
711551531146566
oct1615562573214
9380142678805
10122101102220
1147867986339
121b7b74b40b8
13b68b59cb16
145ca43dc336
153299689565
hex1c6dcaf68c

122101102220 has 48 divisors (see below), whose sum is σ = 257369222880. Its totient is φ = 48658328064.

The previous prime is 122101102199. The next prime is 122101102229. The reversal of 122101102220 is 22201101221.

It is a junction number, because it is equal to n+sod(n) for n = 122101102195 and 122101102204.

It is not an unprimeable number, because it can be changed into a prime (122101102229) 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, 19700162 + ... + 19706358.

It is an arithmetic number, because the mean of its divisors is an integer number (5361858810).

Almost surely, 2122101102220 is an apocalyptic number.

122101102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122101102220 is an abundant number, since it is smaller than the sum of its proper divisors (135268120660).

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

122101102220 is a wasteful number, since it uses less digits than its factorization.

122101102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9722 (or 9720 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122101102220 its reverse (22201101221), we get a palindrome (144302203441).

Subtracting from 122101102220 its reverse (22201101221), we obtain a palindrome (99900000999).

The spelling of 122101102220 in words is "one hundred twenty-two billion, one hundred one million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 307 614 1228 1535 3070 3209 6140 6197 6418 12394 12836 16045 24788 30985 32090 61970 64180 123940 985163 1902479 1970326 3804958 3940652 4925815 7609916 9512395 9851630 19024790 19703260 19886173 38049580 39772346 79544692 99430865 198861730 397723460 6105055111 12210110222 24420220444 30525275555 61050551110 122101102220