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121010112111019 = 197749598218439
BaseRepresentation
bin11011100000111011011100…
…101111110010000110101011
3120212110110020202220220221211
4123200323130233302012223
5111330112202200023034
61105211140021013551
734326456246361345
oct3340733457620653
9525413222826854
10121010112111019
113561511161784a
12116a46a18542b7
13526a2876a6b51
1421c4cc64a0295
15decb3da22d64
hex6e0edcbf21ab

121010112111019 has 8 divisors (see below), whose sum is σ = 127379245248000. Its totient is φ = 114640996960872.

The previous prime is 121010112111013. The next prime is 121010112111059. The reversal of 121010112111019 is 910111211010121.

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

It is a cyclic number.

It is not a de Polignac number, because 121010112111019 - 241 = 118811088855467 is a prime.

It is a super-2 number, since 2×1210101121110192 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010112111013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10615002 + ... + 18833440.

It is an arithmetic number, because the mean of its divisors is an integer number (15922405656000).

Almost surely, 2121010112111019 is an apocalyptic number.

121010112111019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

121010112111019 is a deficient number, since it is larger than the sum of its proper divisors (6369133136981).

121010112111019 is an equidigital number, since it uses as much as digits as its factorization.

121010112111019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8993417.

The product of its (nonzero) digits is 36, while the sum is 22.

The spelling of 121010112111019 in words is "one hundred twenty-one trillion, ten billion, one hundred twelve million, one hundred eleven thousand, nineteen".

Divisors: 1 19 774959 8218439 14724221 156150341 6368953269001 121010112111019