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121110220130 = 2512111022013
BaseRepresentation
bin111000011001010111…
…0110100110101100010
3102120121101020122012112
41300302232310311202
53441013204021010
6131345352155322
711515136612534
oct1606256646542
9376541218175
10121110220130
11473a961aa19
121b57b698b42
13b561205b63
145c0c985854
15323c6a9a05
hex1c32bb4d62

121110220130 has 8 divisors (see below), whose sum is σ = 217998396252. Its totient is φ = 48444088048.

The previous prime is 121110220097. The next prime is 121110220139. The reversal of 121110220130 is 31022011121.

It can be written as a sum of positive squares in 2 ways, for example, as 111061561081 + 10048659049 = 333259^2 + 100243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121110220139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055510997 + ... + 6055511016.

Almost surely, 2121110220130 is an apocalyptic number.

121110220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121110220130 is a deficient number, since it is larger than the sum of its proper divisors (96888176122).

121110220130 is a wasteful number, since it uses less digits than its factorization.

121110220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111022020.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121110220130 its reverse (31022011121), we get a palindrome (152132231251).

The spelling of 121110220130 in words is "one hundred twenty-one billion, one hundred ten million, two hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 12111022013 24222044026 60555110065 121110220130