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121021310113230 = 2354439106193387
BaseRepresentation
bin11011100001000101111000…
…001100110001010111001110
3120212111112011011221101011110
4123201011320030301113032
5111330303120342110410
61105220231121032450
734330333612001202
oct3341057014612716
9525445134841143
10121021310113230
11356199385a362a
12116a68a7a85726
13526b350639367
1421c5669792b02
15ded096b74720
hex6e11783315ce

121021310113230 has 32 divisors (see below), whose sum is σ = 291106790227584. Its totient is φ = 32199499812896.

The previous prime is 121021310113211. The next prime is 121021310113259. The reversal of 121021310113230 is 32311013120121.

It is a junction number, because it is equal to n+sod(n) for n = 121021310113197 and 121021310113206.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4553083404 + ... + 4553109983.

It is an arithmetic number, because the mean of its divisors is an integer number (9097087194612).

Almost surely, 2121021310113230 is an apocalyptic number.

121021310113230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121021310113230 is an abundant number, since it is smaller than the sum of its proper divisors (170085480114354).

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

121021310113230 is a wasteful number, since it uses less digits than its factorization.

121021310113230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9106193840.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121021310113230 its reverse (32311013120121), we get a palindrome (153332323233351).

The spelling of 121021310113230 in words is "one hundred twenty-one trillion, twenty-one billion, three hundred ten million, one hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 443 886 1329 2215 2658 4430 6645 13290 9106193387 18212386774 27318580161 45530966935 54637160322 91061933870 136592900805 273185801610 4034043670441 8068087340882 12102131011323 20170218352205 24204262022646 40340436704410 60510655056615 121021310113230