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12110102101021 = 19136330424517
BaseRepresentation
bin1011000000111001101001…
…0101010111110000011101
31120212201021211121100102211
42300032122111113300131
53041402442114213041
641431145404120421
72356632422305411
oct260163225276035
946781254540384
1012110102101021
113949957a20a21
121437028836111
1369ac930b76a2
142dc1bc57cd41
15160028e85481
hexb039a557c1d

12110102101021 has 4 divisors (see below), whose sum is σ = 12116432527452. Its totient is φ = 12103771674592.

The previous prime is 12110102101003. The next prime is 12110102101033. The reversal of 12110102101021 is 12010120101121.

It is a happy number.

12110102101021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9251263644921 + 2858838456100 = 3041589^2 + 1690810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12110102101021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110102100992 and 12110102101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110102401021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3165210346 + ... + 3165214171.

It is an arithmetic number, because the mean of its divisors is an integer number (3029108131863).

Almost surely, 212110102101021 is an apocalyptic number.

It is an amenable number.

12110102101021 is a deficient number, since it is larger than the sum of its proper divisors (6330426431).

12110102101021 is an equidigital number, since it uses as much as digits as its factorization.

12110102101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330426430.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12110102101021 its reverse (12010120101121), we get a palindrome (24120222202142).

The spelling of 12110102101021 in words is "twelve trillion, one hundred ten billion, one hundred two million, one hundred one thousand, twenty-one".

Divisors: 1 1913 6330424517 12110102101021