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113101111311121 = 178218103540253
BaseRepresentation
bin11001101101110101100111…
…100100000011101100010001
3112211110100201220120212002001
4121231311213210003230101
5104311022033443423441
61040313533325354001
732552166654655363
oct3155654744035421
9484410656525061
10113101111311121
1133045a0388250a
1210827905408901
134b1550992202b
141dd01a16dcd33
15d12045a0d731
hex66dd67903b11

113101111311121 has 8 divisors (see below), whose sum is σ = 119899981598184. Its totient is φ = 106318448106240.

The previous prime is 113101111311113. The next prime is 113101111311137. The reversal of 113101111311121 is 121113111101311.

It can be written as a sum of positive squares in 4 ways, for example, as 3556335930625 + 109544775380496 = 1885825^2 + 10466364^2 .

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 113101111311121 - 23 = 113101111311113 is a prime.

It is a super-2 number, since 2×1131011113111212 (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 (113101111311191) 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, 4051756170 + ... + 4051784083.

It is an arithmetic number, because the mean of its divisors is an integer number (14987497699773).

Almost surely, 2113101111311121 is an apocalyptic number.

It is an amenable number.

113101111311121 is a deficient number, since it is larger than the sum of its proper divisors (6798870287063).

113101111311121 is an equidigital number, since it uses as much as digits as its factorization.

113101111311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103541091.

The product of its (nonzero) digits is 18, while the sum is 19.

Adding to 113101111311121 its reverse (121113111101311), we get a palindrome (234214222412432).

The spelling of 113101111311121 in words is "one hundred thirteen trillion, one hundred one billion, one hundred eleven million, three hundred eleven thousand, one hundred twenty-one".

Divisors: 1 17 821 13957 8103540253 137760184301 6653006547713 113101111311121