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120021111320110 = 257112131237881173
BaseRepresentation
bin11011010010100010010111…
…101101001010111000101110
3120201221220110121110012210021
4123102202113231022320232
5111212411213444220420
61103132534245432354
734165145011352320
oct3322422755127056
9521856417405707
10120021111320110
113527373843a500
1211564a8b40b6ba
1351c7c33119970
14218d0a4b9d610
15dd2057c417aa
hex6d2897b4ae2e

120021111320110 has 192 divisors, whose sum is σ = 292499068772736. Its totient is φ = 34503593794560.

The previous prime is 120021111320087. The next prime is 120021111320119. The reversal of 120021111320110 is 11023111120021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021111320119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 135765484 + ... + 136646656.

It is an arithmetic number, because the mean of its divisors is an integer number (1523432649858).

Almost surely, 2120021111320110 is an apocalyptic number.

120021111320110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021111320110 is an abundant number, since it is smaller than the sum of its proper divisors (172477957452626).

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

120021111320110 is a wasteful number, since it uses less digits than its factorization.

120021111320110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882459 (or 882448 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 120021111320110 its reverse (11023111120021), we get a palindrome (131044222440131).

The spelling of 120021111320110 in words is "one hundred twenty trillion, twenty-one billion, one hundred eleven million, three hundred twenty thousand, one hundred ten".