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121120022210210 = 2512821394467817
BaseRepresentation
bin11011100010100001110011…
…111001100010011010100010
3120212211221221121011110121022
4123202201303321202122202
5111333412301141211320
61105333434155525442
734340430026661332
oct3342416371423242
9525757847143538
10121120022210210
1135657792a44071
1211701a56459882
135277752387cba
1421ca3517610c2
15e00922cad325
hex6e2873e626a2

121120022210210 has 16 divisors (see below), whose sum is σ = 218017742706936. Its totient is φ = 48447630499968.

The previous prime is 121120022210069. The next prime is 121120022210219. The reversal of 121120022210210 is 12012220021121.

It can be written as a sum of positive squares in 4 ways, for example, as 95717283157441 + 25402739052769 = 9783521^2 + 5040113^2 .

It is not an unprimeable number, because it can be changed into a prime (121120022210219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45951779 + ... + 48516038.

Almost surely, 2121120022210210 is an apocalyptic number.

121120022210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121120022210210 is a deficient number, since it is larger than the sum of its proper divisors (96897720496726).

121120022210210 is a wasteful number, since it uses less digits than its factorization.

121120022210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94596037.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121120022210210 its reverse (12012220021121), we get a palindrome (133132242231331).

The spelling of 121120022210210 in words is "one hundred twenty-one trillion, one hundred twenty billion, twenty-two million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 10 128213 256426 641065 1282130 94467817 188935634 472339085 944678170 12112002221021 24224004442042 60560011105105 121120022210210