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12101411121 = 3171951121621
BaseRepresentation
bin10110100010100110…
…01110000100110001
31011020100221101020220
423101103032010301
5144240430123441
65320451123253
7605612203662
oct132123160461
934210841226
1012101411121
11514aa27318
1224188a3529
1311ab1806c7
1482b299369
154ac603466
hex2d14ce131

12101411121 has 16 divisors (see below), whose sum is σ = 17093242368. Its totient is φ = 7589088000.

The previous prime is 12101411081. The next prime is 12101411123. The reversal of 12101411121 is 12111410121.

It is a happy number.

It is not a de Polignac number, because 12101411121 - 215 = 12101378353 is a prime.

It is a super-2 number, since 2×121014111212 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12101411121.

It is not an unprimeable number, because it can be changed into a prime (12101411123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38691 + ... + 160311.

It is an arithmetic number, because the mean of its divisors is an integer number (1068327648).

Almost surely, 212101411121 is an apocalyptic number.

It is an amenable number.

12101411121 is a deficient number, since it is larger than the sum of its proper divisors (4991831247).

12101411121 is a wasteful number, since it uses less digits than its factorization.

12101411121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123592.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12101411121 its reverse (12111410121), we get a palindrome (24212821242).

The spelling of 12101411121 in words is "twelve billion, one hundred one million, four hundred eleven thousand, one hundred twenty-one".

Divisors: 1 3 17 51 1951 5853 33167 99501 121621 364863 2067557 6202671 237282571 711847713 4033803707 12101411121