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121101223300 = 22521211012233
BaseRepresentation
bin111000011001000110…
…0100000010110000100
3102120120202022112212121
41300302030200112010
53441003403121200
6131344431255324
711515000261651
oct1606214402604
9376522275777
10121101223300
11473a4535522
121b57867a544
13b55c3a5aa5
145c0b6c2c28
15323b9cde1a
hex1c32320584

121101223300 has 18 divisors (see below), whose sum is σ = 262789654778. Its totient is φ = 48440489280.

The previous prime is 121101223277. The next prime is 121101223303. The reversal of 121101223300 is 3322101121.

It can be written as a sum of positive squares in 3 ways, for example, as 343583296 + 120757640004 = 18536^2 + 347502^2 .

It is not an unprimeable number, because it can be changed into a prime (121101223303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605506017 + ... + 605506216.

Almost surely, 2121101223300 is an apocalyptic number.

121101223300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121101223300 is an abundant number, since it is smaller than the sum of its proper divisors (141688431478).

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

121101223300 is a wasteful number, since it uses less digits than its factorization.

121101223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211012247 (or 1211012240 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121101223300 its reverse (3322101121), we get a palindrome (124423324421).

The spelling of 121101223300 in words is "one hundred twenty-one billion, one hundred one million, two hundred twenty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1211012233 2422024466 4844048932 6055061165 12110122330 24220244660 30275305825 60550611650 121101223300