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121022311330 = 25175411315889
BaseRepresentation
bin111000010110101111…
…1011110101110100010
3102120101020211102000001
41300231133132232202
53440323202430310
6131332532050214
711513021446624
oct1605537365642
9376336742001
10121022311330
1147363a37818
121b55616396a
13b548c36a0b
145c01020c14
153234ae293a
hex1c2d7deba2

121022311330 has 32 divisors (see below), whose sum is σ = 231080811120. Its totient is φ = 45477089280.

The previous prime is 121022311309. The next prime is 121022311343. The reversal of 121022311330 is 33113220121.

It can be written as a sum of positive squares in 8 ways, for example, as 77920814449 + 43101496881 = 279143^2 + 207609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121022311298 and 121022311307.

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, 565975 + ... + 749914.

Almost surely, 2121022311330 is an apocalyptic number.

121022311330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022311330 is a deficient number, since it is larger than the sum of its proper divisors (110058499790).

121022311330 is a wasteful number, since it uses less digits than its factorization.

121022311330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316454.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121022311330 its reverse (33113220121), we get a palindrome (154135531451).

The spelling of 121022311330 in words is "one hundred twenty-one billion, twenty-two million, three hundred eleven thousand, three hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 541 1082 2705 5410 9197 18394 45985 91970 1315889 2631778 6579445 13158890 22370113 44740226 111850565 223701130 711895949 1423791898 3559479745 7118959490 12102231133 24204462266 60511155665 121022311330