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121022232225 = 3523159882247
BaseRepresentation
bin111000010110101111…
…1001011011010100001
3102120101020200101111020
41300231133023122201
53440323142412400
6131332530240053
711513021000166
oct1605537133241
9376336611436
10121022232225
1147363993344
121b556126029
13b548c099cb
145c0100006d
153234ac92a0
hex1c2d7cb6a1

121022232225 has 48 divisors (see below), whose sum is σ = 210045603840. Its totient is φ = 61404321600.

The previous prime is 121022232203. The next prime is 121022232251. The reversal of 121022232225 is 522232220121.

It is not a de Polignac number, because 121022232225 - 28 = 121022231969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121022232195 and 121022232204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 303949 + ... + 578298.

It is an arithmetic number, because the mean of its divisors is an integer number (4375950080).

Almost surely, 2121022232225 is an apocalyptic number.

121022232225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121022232225 is a deficient number, since it is larger than the sum of its proper divisors (89023371615).

121022232225 is a wasteful number, since it uses less digits than its factorization.

121022232225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882350 (or 882345 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 121022232225 its reverse (522232220121), we get a palindrome (643254452346).

The spelling of 121022232225 in words is "one hundred twenty-one billion, twenty-two million, two hundred thirty-two thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 31 59 75 93 155 177 295 465 775 885 1475 1829 2325 4425 5487 9145 27435 45725 137175 882247 2646741 4411235 13233705 22056175 27349657 52052573 66168525 82048971 136748285 156157719 260262865 410244855 683741425 780788595 1301314325 1613629763 2051224275 3903942975 4840889289 8068148815 24204446445 40340744075 121022232225